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In the late 1800's the overhead projector was used in major universities then later used for military purposes and then finally used in schools.
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The X-Ray was invented by German phyisicist, Wilhelm Conrad Röntgen.
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In 1908, the first mass-produced car was introduced.
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In 1963, students at MIT developed the first computer game called Space War. It was made during the early days of computers and six years before ARPANET, so it wasn't as high tech as computer and video games are today.
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The year of 1968 is when the first internet prototype was created. There is no exact date, just a year time span. The idea of a software that could protect was something the ARPA wanted to achieve. This was the year they started working on a prototype. It was defiantly not as high tech as softwares are today.
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All throughout the 1970's computer scientists worked on developing softwares for controlling networks, moving messages and allowing remote access.
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After working on transmitting messages for a few years, the ARPA finally sent the first email in 1972.
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In 1977 the first cell phone was made in Chicago.
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By 1980 20,000 people were using the Internet in military buildings, universities, and government locations. In the next twelve years the number of computer owners and users grew to millions and in 1999 43 million people were surfing the net.
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Tim Berners-Lee created the first website.
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The GPS became fully operational in 1994.
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In 1994 shopping malls arrived on the Net. Now you could order food or buy products from your own computer.
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In 2004 Facebook was created by Mark Zuckerburg.
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Chad Hurley, Steve Chen, Jawed Karim invented Youtube.
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Instagram invinted by Kevin Systrom and Mike Krieger it quickly gained popularity and had 100 million active users as of April 2012.
