1897 – 23-year-old Guglielmo Marconi received a patent in England for his wireless telegraphy which we now call radio. The Wireless Telegraph and Signal Co. Ltd. was formed a few weeks later.
In 1928 W3XK, owned by the Jenkins Television Corporation, went on the air becoming the first television broadcasting station in the US.
In 2001 – Bram Cohen first revealed BitTorrent on a Yahoo group called decentralization.