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Twitter is Born
CEO Jack Dorsey sets up first ever profile and tweet "just setting up my twttr" -
Open for Business!
Twitter officially opens to the public -
Hashtag
Google designer Chris Messina proposes the use of the hashtag (#) on Twitter -
Dorsey Steps Down
Jack Dorsey steps down as CEO of Twitter to become Chairman of the Board. Co-Founder Evan Williams takes over as the new CEO. -
Massive Tweeting
Twitter reaches 1 billion tweets -
Massive Tweeting Pt. 2
Twitter reaches 5 billion tweets -
Turning 5!
Twitter announces that over 1 billion Tweets are sent out every week on its 5th birthday -
New App
Announces the launching of the short-lived app Vine (RIP) -
10 Years!
Celebrates its 10th birthday