Jack Dorsey: 11 facts about Twitter's permanent chief executive

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Image captionJack Dorsey has been named Twitter's chief executive - for the second time

Jack Dorsey has been voted in as the permanent chief executive of Twitter by the firm's board.

According to a company filing, Dorsey will also stay on as CEO of his own company Square, Inc. One of Twitter's directors, Peter Currie, also tweeted that the board's decision to appoint Dorsey was unanimous.

Read more about the announcement

Here, then, are 11 facts about Dorsey - in 140 characters or fewer.

Click here to read the first tweet.

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Image captionTwitter has over 300 million active users

Image captionSource: Hatching Twitter by Nick Bilton

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Image captionDorsey, aged 38, is a billionaire and now chief executive of two companies

Dorsey has been tweeting about the appointment himself. Click here to read his own thoughts about becoming CEO of Twitter for the second time.