Periods
Computer
The first computer was invented by Charles Babbage (1822) but was not built until 1991.Telegraph
In 1837 the British inventors Sir William Fothergill Cooke and Sir Charles Wheatstone made the telegraph.Morse Code Telegraph Machines
Developed in the 1830s and 1840s by Samuel Morse and other inventors.Telephone
On March 7, 1876, Alexander Graham Bell successfully received a patent for the telephone and secured the rights to the discovery.Rotary PhonesRadio Communication
Guglielmo Marconi: an Italian inventor, proved the feasibility of radio communication.Pagers
Invented in 1921, pagers were used by the Detroit Police Department when they successfully put a radio-equipped police car into service.TV BroadcastCordless Telephone
An inventor from Texas named Dr Raymond Philips Sr first documented the idea.Virtual Reality
Sutherland, with his student Bob Sproull, created the first virtual reality HMD, named The Sword of Damocles.Laptop
The first true laptop to make it to market, the Osborne 1, hit shelves in April 1981.EmailInternet
January 1, 1983 is considered the official birthday of the Internet. Prior to this, the various computer networks did not have a standard way to communicate with each other.SmartphoneNetflix
Netflix was founded by Marc Randolph and Reed Hastings on August 29, 1997, in Scotts Valley, California.Facebook
Facebook was founded in 2004 by Mark Zuckerberg, Eduardo Saverin, Dustin Moskovitz, and Chris Hughes, all of whom were students at Harvard University.Twitter
In March 2006, Jack Dorsey, Noah Glass, Biz Stone and Evan Williams created Twitter. It was available to the public in July 2006.5G
5G deployments arguably started in 2018 in the USA but got properly underway in 2019
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