 1969 Markup language

1970 Wireless local area network
1970 Surf leash

1971 Uno (card game)

1971 Personal computer 

The personal computer (PC) is any computer whose original sales price, size, and capabilities make it useful for individuals, and which is intended to be operated directly by an end user, with no intervening computer operator.The Kenbak-1 is officially credited by the Computer History Museum to be the world's first personal computer which was invented in 1971 by John Blankenbaker.With a price tag of $750 and after selling only 40 machines, Kenbak Corporation closed its doors in 1973.