Today in Tech History – March 21

1965 – NASA launched Ranger 9, the last in a series of unmanned lunar space probes. Ranger 9 slammed into the Moon sending back high-resolution picture of the Lunar surface before impact.

1999 – Dr. Bertrand Piccard, a Swiss psychiatrist, and Briton Brian Jones landed their Breitling Orbiter 3 just after 8 AM local time 300 miles southwest of Cairo, Egypt. They became the first people to circumnavigate the global in a hot air balloon.

2006 – Jack Dorsey Sends First Tweet

             The origins of Twitter came out of a brainstorming session at the podcasting company Odeo. The initial concept was to share short messages via SMS text messaging with a small group. Jack Dorsey was the primary designer of what was then code-named “twttr” and sent the first message at 9:50am on March 21^st, 2006 – “just setting up my twttr.” Twitter would be released to the public that July and found its first major success at the south by southwest Interactive conference in 2007, shortly after it had been spun-off as its own company, twitter Inc.

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