Software Engineering

Twitter – Tweeting – Tweeted

“Tweeting” and “Tweeted” redirect here. 

Twitter bird logo 2012.svg
Type of businessPublic
Type of siteNewssocial networking service
Available inMultilingual
Traded asNYSETWTRS&P 500 Component
FoundedMarch 21, 2006; 14 years ago
HeadquartersSan Francisco, California United States
Area servedWorldwide
Founder(s)Jack DorseyNoah GlassBiz StoneEvan Williams
Key peopleOmid Kordestani(Executive Chairman)[1]Ned Segal (CFO)Jack Dorsey (CEO)Parag Agrawal (CTO)
RevenueDecrease US$3.72 billion (2020)
Operating incomeDecrease US27 million (2020)
Net incomeDecrease US$-1.13 billion (2020)
Total assetsIncrease US$13.37 billion (2020)
Total equityDecrease US$7.97 billion (2020)
Employees4,600 (September 2019)[2]
Users330 million monthly active users(Q1 2019)
LaunchedJuly 15, 2006; 14 years ago
Current statusActive
Native client(s) oniOSAndroidWindows PhoneMicrosoft WindowsMacOSWeb
Written inJavaRubyScalaJavaScript

Twitter is an American microblogging and social networking service on which users post and interact with messages known as “tweets”. Registered users can post, like and retweet tweets, but unregistered users can only read them. Users access Twitter through its website interface or its mobile-device application software (“app”), though the service could also be accessed via SMS before April 2020.[13] Twitter, Inc. is based in San FranciscoCalifornia, and has more than 25 offices around the world.[14] Tweets were originally restricted to 140 characters, but was doubled to 280 for non-CJK languages in November 2017.[15] Audio and video tweets remain limited to 140 seconds for most accounts.

Twitter was created by Jack DorseyNoah GlassBiz Stone, and Evan Williams in March 2006 and launched in July of that year. By 2012, more than 100 million users posted 340 million tweets a day,[16] and the service handled an average of 1.6 billion search queries per day.[17][18][19] In 2013, it was one of the ten most-visited websites and has been described as “the SMS of the Internet”.[20] As of Q1 2019, Twitter had more than 330 million monthly active users.[10] Twitter is a some-to-many microblogging service, given that the vast majority of tweets are written by a small minority of users.[21][22]


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