A selection of memorable moments.
Twitter breaks through at SXSW Interactive, wins the digital confab’s SXSW Web Award.
Twitter is spun off from Obvious Corp. into a separate company, Twitter, Inc., with Delaware incorporation filing on April 19.
The hashtag (#), first proposed by user Chris Messina, debuts on Twitter.
Dick Costolo joins Twitter as COO.
The Arab Spring pro-democracy movement in Egypt unfolds on Twitter.
Twitter shares milestone numbers for its fifth birthday, including 1 billion Tweets sent per week.
Twitter acquires TweetDeck.
Twitter teams up with Apple to integrate Twitter into iOS 5.
Twitter announces 100 million monthly active users, worldwide.
Twitter allows mobile users to share photos via SMS (MMS).
Twitter launches Promoted Tweets in timelines to all Twitter.com users.
Twitter announces self-service advertising for small businesses, in partnership with American Express.
Twitter announces the new Twitter bird design.
President Obama marked his win with this Tweet, which became the most retweeted.
Twitter launches Vine.
500 million Tweets are sent per day, or 1 billion every ~2 days. Twitter users set a new Tweets per second record.
Nielsen Twitter TV Rating launches.
Twitter closes the acquisition of MoPub.
Twitter files its IPO.
Vine’s first birthday.
To celebrate its eighth birthday, Twitter invites you to find your #FirstTweet, or that of anyone else.
This year’s Oscars Tweets made an unprecedented 3.3 billion impressions, and this Tweet surpassed the previous record to become the most retweeted.
Twitter launches new web profiles.
Twitter acquires Gnip.
Our new Transparency Report shows a steady increase in global requests for account information, content removal, and copyright takedowns.
Twitter acquires CardSpring.
We are committed to building a business that we are proud of and making inclusiveness a cornerstone of our culture. To that end, we are joining some peer companies by sharing our ethnic and gender diversity data.
Twitter launches Promoted Video.
Twitter launches group Direct Messages and mobile video.
Vine celebrates its second birthday.
Twitter acquires ZipDial.
Twitter details ongoing commitment to San Francisco.
Our latest Transparency Report is the sixth in three years.
Twitter announces the acquisition of Periscope.
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