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Manna's 5G drone delivery deal

Delivering the Future, One Slice at A Time: How Manna’s Drones will now Deliver Pizza

If someone told you five years ago that a drone would drop your pizza at home, how would you have reacted? Well, the scene seems to be right out of a science-fiction movie without a doubt. However, thanks to advancements in science and technology, the future is coming to our houses! Manna, is an Irish drone manufacturer and deliverer company with huge plans for the future. They recently joined hands with Manna Cubic Telecom to usher in the future by bringing 5G connectivity to their fleet of drones. Here’s a look at their plans for the future, and how they will change the way product delivery works.

Upgrading their Fleet

Manna announced their tie-up with Cubic Telecom at the Consumer Electronics Show in Las Vegas. This arrangement will allow Manna to use the Pace connectivity platform, earlier used by cars, to track, control and monitor their drones. This particular platform is the preferred standard for companies such as Audi, Porsche, and Volkswagen, and has millions of users across 93 markets. Cubic has vital experience in the field of connectivity services, as they offer their last-mile connectivity service in over 180 countries. Their systems help cars link to internet-of-things devices and mobile networks.

Super-fast Pizza

Manna’s drone will deliver restaurant food in under three minutes, by using high-speed drones that travel at around 80 km/h! The company will start testing its delivery system by April, by starting with one location. Once they have worked through issues encountered and perfected the system, they will expand to more locations, by the end of this year. Cubic will help these drones perform better and improve their efficiency.

The software will be fed into the drones during manufacturing. This software will transfer data between the drone, restaurant, and customer in real-time, helping keep everyone in the loop. Thus, the customers will be able to track the drone’s position and hence, gauge how fast their food will reach them.

Imagining the Future

Manna’s Chief Technology Officer, Alan Hicks believes that the future of food and product delivery lies in the sky. Airborne methods of delivery will help streamline the process, resulting in better conversion rates and customer satisfaction. The most difficult part about taking delivery to the skies is maintaining robust communication between the fleet and the cloud services.

Partnering with Cubicle will help provide Manna with that viable link, which brings them closer to delivering the future to us. The commercial take-off of drone delivery will help revolutionize the world of delivery forever, as per Cubic’s CEO Barry Napier. Hence Cubic values its partnership with Manna as they will be helping to lower overall cost and time of deliveries, while also reducing their environmental impact.

To the Skies

Founded by Bobby Healy, drone delivery company Manna recently raised $3 million via a seed round to fund their growth. This brings their total funding up to $5.2 million through seed funding. The three-year deal with Qualcomm-backed Cubic Telecom will greatly help the company commercialize its products effectively. Previously, the Irish company had teamed up with food delivery company Flipdish.

Bobby Healy
Image Source: Google Images

Manna’s drones fly almost 300 feet above the ground at an average speed of 50mph and occupy 6 feet by 6 feet. Manna surveys areas wherein they plan on delivering, verify landing zones through computer vision and then programs the drone. The drones can make deliveries weighing up to 4 pounds within a 4-mile radius. Restaurants can use these drones to make up to 5 deliveries an hour, thanks to the three batteries it uses.

Technology giants such as Amazon and Google are also hoping to soon use drones to deliver their packages and fulfill orders. Amazon is already said to be testing their drone-delivery system, in a bid to lower labor costs. Meanwhile, governments across the world will begin work on the legislature required to make such deliveries legal and safe. There are several obstacles that such companies will need to cross with regards to social acceptance, and they include privacy, safety, and noise.

However, drones will help speed up delivery unlike any other system used before. Manna has a testing center in Wales and plans on expanding to three additional sites in Ireland by the end of this year. In the future, the company plans to deliver meals at $1 per delivery.

Open DNS Logo

Serving Up Those Domains: How This Company Got So Big It Caught Cisco’s Attention

The Internet is an ever-changing environment with a lot of features and threats. Since the internet age started, more services have been shifting to digital platforms to grow and expand. Therefore, companies that provide services related to the internet have grown substantially in the last two decades. Today, we will be looking at one such company. Here’s how OpenDNS grew to become a multi-million-dollar business in the field of domain services.

What the Company Does

OpenDNS stands for Open Domain Name System. The company provides features such as protection against phishing content filtering. OpenDNS also has a product named Umbrella, which has tools providing cloud computing security. This product suite protects enterprise companies from all kinds of digital attacks including phishing, malware, and botnets. OpenDNS handles over 100 billion DNS queries daily and boasts of more than 85 million users around the world.

About the Founder

David Ulevitch grew up in Del Mar, California and showed an early interest in computers. He worked for a regional ISP, named ElectriCiti before starting high school. It was from here that he picked up his interest in network administration. While Ulevitch was at Washington University, he created EveryDNS to manage his DNS needs. The company grew from being a project to a company with over 100,000 users. In 2010, Dyn, Inc acquired EveryDNS. 

Launching OpenDNS

Launched in 2006, OpenDNS came to life due to the efforts of computer scientist David Ulevitch. The initial funding for the company came via venture capitalists like CNET founder, Halsey Minor. Later that year, they launched PhishTank. The service allows users to submit suspected phishing sites. The other members could then review these sites and decide whether it was a scam. 

In 2007, OpenDNS started a domain-blocking service to help users block and allow access to various sites. The categories of sites blocked worked on individually managed blacklists and whitelists that the company controlled. A year later, OpenDNS made the list community-driven allowing subscribers to suggest websites. If the site suggested got enough votes, then the site became a part of the blacklist, and subsequently blocked. By 2014, the list had grown and included over 60 categories. The former head of VMware, Nand Mulchandan joined OpenDNS as CEO in 2008, replacing David Ulevitch, who became the CTO. He resumed as CEO again in late 2009.

Continued Success 

Two years after launching the free DNS-O-Matic, they launched a premium service called Home VIP. The same year, in 2009, DNS started its foray into the world of enterprise network security through OpenDNS Enterprise. The suite included access managers, audit logs, statistic reports, and customized block page URLs. This product expanded in 2012 through the launch of OpenDNS Insights.

The new service integrated with Microsoft Active Directory, allowing admins granular control. The World Economic Forum named them a Technology Pioneer in 2011. Former CTO of Websense joined OpenDNS as CTO in 2012. Later that year, the company launched the Security Labs for research. They raised over $35 million via a Series C funding led by Glynn Capita, Northgate Capital and Cisco. 

Forming Umbrella

Their biggest launch came in 2012, in the form of Umbrella. The software helped enforce security guidelines for roaming devices like laptops, iPhones, iPads, and tablets. A year later, they came out with the OpenDNS Security Graph to further extend Umbrella. The same year, they introduced the Investigate feature which allowed teams to compare traffic data. Another feature came in 2014 via Intelligent Proxy, which provides proxies for suspicious domains.

Merger with Cisco

Owing to their massive success, industry giant Cisco acquired them in 2015, for US$635 million. The entire deal occurred via an all-cash transaction, and also included incentives for OpenDNS. After the acquisition, the company’s services became Cisco Umbrella, whereas home products remained under the OpenDNS name. Cisco clarified that they would continue developing cloud-based OpenDNS products. The company also mentioned that all existing services would be continued. After the acquisition, Ulevitch became the Senior VP and GM of Cisco’s Security Business in 2016. Two years later, he joined Andreessen Horowitz as a Partner. The company also mentioned that all existing services would be continued. After the acquisition, Ulevitch became the Senior VP and GM of Cisco’s Security Business in 2016. Two years later, he joined Andreessen Horowitz as a Partner. 

Ulevitch grew OpenDNS to become the world’s largest DNS service provider. The acquisition by Cisco is a testament to their growth and success in the field of security architecture.

automation

Automating the World: Story of George Devol

Robots have been mankind’s fascination for quite some time. But the last two decades have seen them grow from being a science fiction object to reality. Many industries around the world now employ robots to improve their production lines. Automation is no longer a thing for the future, but rather has become a reality. But how did we first start using robots? Here’s a look at the story of George Devol who developed the first known robot.

About the Creator

George Charles Devol was born in 1912 to a wealthy family based in Kentucky. He did his schooling from the famous Riordan Prep school. Following his graduation, he decided not to go for higher studies. Instead, he went into business and founded United Cinephone in 1932. The company produced recording equipment for motion pictures or talkies. But on discovering that companies such as RCA and Western Electric were also working on similar products, he dropped the idea. When WW2 descended on the US, he was working on a proximity controller for washing machines. Finally, in 1939 he filed for a patent for his RF-based controller. This device was the first of its kind and could open laundry presses automatically. However, due to the war breaking out in Europe, the patent office closed down, and hence, Devol could not get his patent.

Work with Radars

It was around this time that he sold his shares in United Cinephone. Briefly after that, he met with Sperry Gyroscope to discuss his ideas on radars. Sperry then hired him as a Special Projects Manager and allowed him to work on radar devices. As the war intensified, the Auto-Ordnance Company approached him to make products for them. However, Devol turned their attention to the emerging field of radar technology. Later, in 1943, he started working for General Electronics Industries which was a subsidiary of the Auto-Ordnance Corporation. He helped with the production of counter-radar devices. Under his tutelage, General Electronics became the largest producer of radar equipment for the American forces. He resigned soon after the war due to differences in opinion with regards to future products.

Creating Unimate

He followed this up by working as a sales manager at RCA. But, he quit this job as he felt he didn’t fit in and started work on his robot. A year later, in 1946 he created a magnetic recording system and applied for a patent for it. He helped with the creation of the first commercial microwave oven, known as the Speedy Weeny. By the early 1950s, Remington Rand was using Devol’s recording device. Soon enough, he became the manager of their magnetics department. Over there he worked on magnetic recording systems, high-speed printing systems and other such devices. While the idea would not work out, Devol’s magnetic invention later became the Unimate robot.

Patenting and Raising Funds


In 1954, Devol got a patent for his concept of Programmed Article Transfer which would become the basis for Universal Automation or Unimation. Devol’s wife, Evelyn suggested the name Unimate for the robot. At the time of filing the patent, Devol wanted Unimate to be a general-purpose machine. After securing the patent which did not have any citations, Devol looked for an investor. While he talked to many companies, they turned him down due to the risks involved. Finally, using family connections, Devol met with Manning, Maxwell and Moore. Joseph F. Engelberger served as the chief of engineering at Manning, Maxwell and Moore which was based in Connecticut. Engelberger found the project interesting and was about to invest in it. Unfortunately, the company was sold off that year and the plan fell through.

Forming Unimation Incorporated

However, Engelberger convinced Consolidated Diesel Electronic to back the development of the robot. Hence Codec, formed a new division called Unimation Incorporated and Joseph Engelberger served as its president. The first Unimate prototype relied on digital switches and transistors. Further, digital encoders and other electronic parts available in the 1950s were not adequate for the Unimate. Hence, under Devol, a team of engineers built all the parts for the Unimates. Devol as a part of the process invented new technologies such as the rotating drum memory system and parity controls.

In 1961, the first Unimate robot was sold to General Motors to help with die casting and spot welding. In 1961. GM’s plant in New Jersey became the first one to utilise a material handling robot. The robot helped in lifting metal from the die-casting machine and stacking them. Soon enough, companies like Chrysler, Ford, and Fiat started purchasing the Unimate. By 1966, full-scale production facilities were set up in Connecticut and Unimate became a resounding success in the field of material handling.

Resounding Success

By 1975, the company was cash positive and was making a profit. The Programmable Universal Machine for Assembly or PUMA robot came out three years later through a collaboration with GM. Since then, industrial robotics has grown to become a massive field with a lot of large-scale applications. So much so, that in 2003, Unimate became a part of the Robot Hall of Fame for being the first of its kind.

While the first robot took over $5 million to develop, industrial robotics is now a sprawling field. Devol would later go on to obtain several patents on visual sensors and magnetostrictive manipulators. He is hence, known for creating the field of “micro-robotics”. George Devol was 9 years old when the word robot was coined. Decades later, he would be the one to invent the first programmable robot, which in turn, started a revolution that continues even today. With over 40 active patents to his name, Devol spent his life-giving wings to his ideas and turning them into real products.

Phone

Best Phones Under INR 10,000 for Indian Market

Are you looking for the best one under INR 10,000? Well, if you are, then you are in the right place! As technology surges ahead becoming more affordable by the day, features such as high-functioning rear cameras, full HD displays and fingerprint sensors are becoming a common part of even budget phones.

The sub-10,000 market is a very significant one in India and contributes heavily to annual mobile phone sales in the country. There were several new entries into the scene this year and since most of them offer great specifications, it becomes difficult to choose the right model. Therefore, here’s a little something to help you out. Heres a comprehensive look at the five best phones under Rs 10,000 in India.

  1.   Xiaomi Redmi Note 7 

The Redmi Note 7 does not offer a 48MP camera, but it comes packed with power as it runs on a Snapdragon 660 SoC that will not let you down when it comes to performance. The vibrant display and new colour gradient make the phone visually stunning. 

It is similar to the Asus Pro M2 but comes with a smaller battery that is well capable of lasting a day and a half.  Performance is where this phone outshines its competitors because the Snapdragon processor makes this phone the fastest in the market for this price range. 

The camera performance, like with all Xiaomi phones is quite good, and the front camera produces some memorable selfies.   The night mode in the primary camera has been well appreciated by users, and so has the noise reduction feature in the video recording. 

Designwise, the screen is protected by Gorilla Glass 5 and has an exceptional finish. The only downfall would be the UI as the phone runs the MIUI 10, which is notorious due to the server ads that it comes with, but overall the phone works great.  

If you don’t mind splurging a little extra, the Redmi Note 7S is a great option, as it sits between the Redmi Note 7 and Redmi Note 7 Pro. This was runs on the MIUI 10.3 and allows a lot of customisations. The major difference though is the camera, as the Note 7S supports a 48MP primary sensor making it a great camera phone.  

2.   Realme 3 Pro 

The Realme 3 Pro is considered one of the company’s flagships and has been designed to go head to head against the Redmi Note 7 Pro. Similar to the Realme 2 Pro in terms of design, the phone features a small notch and slim.

The 6.3inch fullHD+ display helps in bringing to life vivid colours and perform commendably even under direct sunlight. The phone also has three slots, meaning you have enough space for two NanoSIMs and a microSD card. It comes with the Qualcomm Snapdragon 710 SoC., which is one of the best ships in the under 20,000 market. 

The phone comes in two varieties; 4GB RAM and 6GB RAM. The OS used is similar to the Android 9 Pie and runs smoothly.   The phone, thanks to the great processor can handle intensive apps and games and does not heat up at all. 

3.   Samsung Galaxy M10 

The most significant advantage that the Samsung Galaxy M10 provides is that it houses an ultra-wide-angle camera which was not something you would regularly see in the under Rs10,000 segment, making it an excellent buy for the price.

The primary camera does a great job, as with all Samsung phones when the lighting is good enough, and the display stretches till the end, making it a great phone to watch videos and movies on. As long as you don’t want heavy multitasking, the phone is an excellent buy for the price, and the battery is good enough for it to last over a day on a maximum charge.  

 However, the old chipset is not the most reliable, and hence, performance suffers as a result of this. But thanks to optimisations Samsung has deployed, the phone works well enough and can handle a multitude of apps reasonably well. The waterdrop notch on the screen, makes the phone’s display the best in the under 10,000 categories.  

 Further, if you don’t mind splurging a little more, the Galaxy M30 is a great option. The 3GB variant of this phone falls in the under 10,000 categories and is a great buy for the price, sporting a Super AMOLED display. The fullHD+ panel gives crisp images and the Samsung Exynos 7904 SoC also allows for intensive gaming and app use.  Once again, as with most Samsung processors, the device does tend to heat up when used for extended periods of time. However, the greatest drawback is that it comes with an Android Oreo and not Android Pie.   

4.   Realme 5

The Realme 5 comes with an updated crystal back panel and polycarbonate exterior, making it a little heavier than its predecessor. The phone has a huge 6.5-inch HD+ display, which has good brightness optimisation even though the resolution is a little low. The phone, much like most Realme phones, has three slots in the side, allowing the phone to carry Nano-SIMs and a microSD card.

The Realme 5 runs on the ColorOS 6.0.1, which resembles the Android 9 Pie, allowing a lot of customization options such as gestures and shortcuts. The phone utilizes a Snapdragon 665 SoC which allows for intensive gaming without much heating up. The phone sports four cameras in the back, and is the first sub-10,000 phone to do so. These include a primary camera, a depth sensor, a wide-angle lens and a macro lens.

The 13-MP front camera gifts you some great selfies, while supporting video stabilization. While the cameras do a great job in good lighting, they struggle to capture the same quality under low-lighting, which is the main drawback of this phone. The 5000mAh battery can easily last a day and half on a single charge. That is a good thing, given that the phone does not support fast charging. The phone has multiple variants, with the base variant which comes stocked with 3GB of RAM is a good buy at 9000.

5.   Asus Zenfone Max Pro M1 

The Asus Zenfone Max Pro M1 is similar to the Redmi Note 5 Pro but outperforms it as it comes with stock Android. The build quality is fantastic, and the phone feels very robust and sturdy while the 16 MP dual back camera is quite adept at capturing pictures.  

The fact that it comes with the Android 8.1 Oreo helped in boosting sales, and it looks like it will end the year as one of the most popular budget phones. They also provide regular updates for the UI, making it a reliable phone that stays relevant. The phone also comes with a massive 5,000mAh battery that ensures that it will stay alive even under strenuous use.  

adp

Pay Up, America! – Success Story of Automatic Data Processing

Automatic Data Processing, Inc., referred to as ADP, is a leading provider of payroll management services in the US. It is regarded as one of the very few companies in the US, that had an AAA credit rating issued by both Standard & Poors and Moody’s. Here’s a look at everything you need to know about the growth of ADP.

About the Founder

Henry Taub was born on September 20, 1927, in Paterson. The American businessman who has both Hungarian and Jewish ancestry co-founded ADP. Taub attended Eastside High School, and did his graduate studies from the New York University in accounting, graduated in 1947. Two years later, in 1949, Taub founded Automatic Payrolls Inc., which was a payroll processing service in New Jersey. That company later came to be Automatic Data Processing and grew to become the leading computerized payroll management service in the U.S.

He retired from ADP in the mid-1980s. Taub served as the president from 1949 to 1970 and then worked as a CEO for seven years till 1977. Also, he was a chairman till 1985, served as an honorary board member till his death.

After retirement from ADP in the 1980s, Taub served as a Board of Governor in American Technion Society between 1990 and 2003. He passed away in 2011, owing to complications which arose as a result of his leukaemia.

While at ATS, his wife and he were responsible for handling several projects such as the Henry and Marilyn Taub Science and Technology Center, a Faculty Recruitment Program and the Taub Fund for the Future.

Founding ADP

n 1949, Henry Taub and his brother Joe together founded Automatic Payrolls, Inc. which served as a manual payroll processing company. The brothers were joined by Frank Lautenberg and in 1957, Lautenberg, who had previously worked in the sales and marketing division, became a partner.

While starting, the brothers had to make do with a shoestring operation and so often delivered payrolls by bus and even cleaned their own offices during the night.

Henry provided the vision and strategy for the company, while Joe managed the operation and regular running of the company. Meanwhile, Lautenberg handled all the sales and marketing the company had to do to gain clients.

After four years, in 1961, the company switched names to Automatic Data Processing, Inc. and upgraded their manual business to a more automated form which utilized card machines, printing machines, and computers.

The company went public the same year, employing over 125 people, and having around 300 clients. ADP generated revenues worth US$400,000 in its first year.

When the business started picking up, the brothers decided to expand, and so, in 1965 they set up a branch in the UK.

By 1970, Lautenberg had taken over as the president and ADP switched over from the American Stock Exchange to the New York Stock Exchange. In 1974, they acquired Time Sharing Limited, which was a company that specialised in providing computer-related services, and a year later they acquired Cybernetics.

By 1972, the company had several dealer franchises and renamed its auto-division, ADP Dealer Services to CDK Global. Lautenberg remained the CEO until he resigned when he became a part of the US Senate in 1982.

Bringing in the Big Bucks

The company grew exponentially in the 1980s and by 1985 was making more than $1 billion a year. The company handled almost 20% of the entire American payroll market. Such growth helped propel them into other avenues such as employee services management.

In the 1990s, ADP acquired HR companies such as Autonom, GSI, and Chessington Computer Centre which handled administrative services. By the early 2000’s they were expanding aggressively, having acquired companies such as Kerridge Computer Co.

which specialised in creating dealer management systems for auto part dealers. A year later, ADP made its foray into the world of brokerage and insurance, by setting up the ADP Brokerage Service Group. In 2010, they bought the auto-marketing enterprise Cobalt, to improve their footing in the field of automobile manufacturing.

Automatic Data Processing Inc

Fast forward seven years to 2017, Automatic Data Processing Inc. was employing more than 56,000 people worldwide and generated revenues over $12 billion.

This helped the company become the largest HR service provider in the Northern half of the world, with services spread across Europe and North America. In 2018, the company acquired WorkMarket, which helps companies manage freelancers and contractors.

The company now operates in over 112 countries and has won several accolades and laurels such as, “Most Admired Fortune 500 Company”, “100% CEI rating” and 47th on a list of Best places to work by Computer World.

Such growth rates and revenues make it clear, without reasonable doubt that ADP is the largest HR service provider for the whole of North America, Europe, Latin America and the Pacific Rim.

With the handling of employees becoming a growing concern for companies around the world, it is safe to say that the company will be making big bucks in the years to come.

omnivis

OmniVis : Medical Science Meets Technology to Make the World Better and Disease Free

In the bigger picture, the present condition of our world is no less than mayhem. On the one hand, science is creating wonders with technology making our lives easier but on the other hand, millions of people are dying every day due to lack of treatment and development in medical science. Who is to blame for this? Are we way too ignorant to make significant contributions in the medical community? Or the price is so high that we have blatantly stopped trying? There are so many people dying every minute suffering from incurable diseases or due to late detection of infections in their body. Though the renowned and biggest research centres of our world are working together to invent instruments that can easily detect diseases, they are way too costly for common citizens.

With the zeal to alter the future of our world and stop it from destruction, four scholars of Purdue University, Katherine Clayton, Tamara Kinzer-Ursem, Jacqueline Linnes and Steve Wereley, came up with a unique solution to detect infectious and deadly diseases, which are both times efficient and affordable. With the mission to create affordable medical equipment, these four enlightened minds founded OmniVis, a company that will reach out to common people, help them detect disease and make out society better in terms of well-being.

Founders of OmniVis

Currently, Katherine Clayton is the CEO of the company with Ursem, Linnes and Wereley working as the Advisors.

Katherine Clayton Founder OmniVis
Image Source: halcyonhouse.org

Clayton, who is originally from San Francisco, went to Pursue University to complete her PhD in mechanical engineering. When she was an undergraduate student, she had already decided to work with healthcare products and make easy infection and disease detection equipment available to common people. When Clayton was a kid, she lost someone very close to her, due to the absence of better tools in the medical field, and hence, this was the beginning of her dream to do better for the community. She, with other three scholars, co-founded OmniVis in 2017, and since then, it has received worldwide support and funding.

Ursem is associated with Weldon School of Biomedical Engineering as an assistant professor which is under Purdue University. Her main area of research involves molecular biology, computational biology and neuroscience.

Linnes is also an assistant professor in the Weldon School of Biomedical Engineering as well. The Linnes Lab basically works to create technologies that can detect pathogens in a time-efficient way and stop them from propagating. She also has her own start-up, PotaVida founded in April 2010. The company’s goal is to develop pocket-friendly water purifiers and reach to the rural areas of the entire world.

Currently, Wereley is a professor at the School of Mechanical Engineering at Purdue University. His specialised fields are fluid mechanics and optics. He is also the founder of a company called Microfluidics Innovations.

The Idea

Since all of them belonged to a strong research background, OmniVis emerged out as a successful idea. More than a business, it is really an idea that inspired every company, research institutes throughout the world. OmniVis has created products that can detect Cholera with less than an hour with its concepts and techniques.

Currently, OmniVis works with iPhone but soon it will incorporate the software in Android and start testing the beta version. OmniVis works in a simple process with few steps, collect the sample, detect pathogen and map location. OmniVis detects and shows the location on the map from where the sample was taken to alert the authorities. And all of these are getting done within 30 minutes with the technology of OmniVis.

The Achievements

In 2017, OmniVis acquired the first place in Vodafone Wireless Innovation Project funded by Vodafone Foundation. In 2018, OmniVis was nominated for World Changing Idea Finalist. In June 2018, the company received Phase I SBIR Grant from National Science Foundation. In the same year, OmniVis won the 2018 AMPLIFY Pitch Competition where participants from 46 different countries participated. After winning the Biological Innovation Award in February 2019, OmniVis took a step ahead and expanded out of Indiana. In May 2019, the team reached out to Bangladesh and shared the benefits of OmniVis products with them.

Some of the major investors at OmniVis are Vodafone Foundation, Deloitte, Fast Company, Purdue University, halcyon and many more.