TV - 1927 | San Francisco, Computer - Ada Lovelace and Charles Babbage | 1822, Youtube - Steve Chen, Jawed Karim, and Chad Hurley | 2005, WhatsApp - January, 2009 | California, car - 1886 | Germany, Microwave - 1945 | Percy Spencer , Keyboard - 1870 | Winsconsin, Telephone - 1870 | Massachussets , Microphone - Alexander Graham Bell | 1876, WiFi - 1997 | The Netherlands, Bluetooth - Sweden | 1994, Internet - 1960 | USA,
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