20 Most Important Innovations Of The 20th Century We Take For Granted
19. Cell Phone & SIM Card
The first commercial cell phone, the DynaTAC 8000X, a prehistoric version of the smartphones we don today, was created by Motorola in 1984. SIM cards were necessary for a cell phone to function, early versions of which were the size of credit cards. Today, most phones have micro-sims smaller than a nickel or iSIMs that are directly integrated into the device itself.
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20. The Internet
Computer scientist Tim Berners-Lee invented the World Wide Web in 1989, completely changing the world as we knew it. It was first developed as a way of sharing information, but today we mostly use it to look at cat videos.

