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Looking behind the tweet: Dorsey hack explained Special

Twitter CEO Jack Dorsey was recently hacked on his own platform. New information that the hacker or hackers leveraged a SIM swapping tactic has come to light. A leading expert explains how this has happened and how to address the security weakness.

Jack Dorsey's advice to entrepreneurs: 'Get out of PowerPoint'

COPENHAGEN, Denmark — Jack Dorsey's main piece of advice to entrepreneurs is don't spend too long dreaming about your idea — get out there and build it.

Twitter may allow up to 10,000 characters a tweet

Twitter is considering the possibility of increasing its present 140-character limit on tweets. While the extent of the increase has not been decided, it could be up to 10,000 characters

Twitter has officially launched polls, unveiled more new features

Twitter has announced it is launching several new features that will benefit both users and developers. At its second Twitter Flight conference yesterday, the company officially started the roll-out of native polls and video ads.

Twitter co-founder Jack Dorsey appointed permanent CEO

Social network Twitter has announced that ousted co-founder Jack Dorsey is to return as the formal CEO of the company. Dorsey has already been acting as interim leader since July when Dick Costolo stepped down.

Twitter co-founder Jack Dorsey marches in Ferguson protests

Ferguson - Jack Dorsey, the co-founder and the first person to send out a tweet from Twitter, has been using Twitter to provide updates live from the ground at the protests in Ferguson, Missouri.

Why Square is the new Twitter

San Francisco - In a recent interview with CBS's 60 Minutes correspondent Lara Logan, Twitter inventor Jack Dorsey revealed his latest app Square which is a revolutionary device that allows mobile and smart phone owners to exchange credit card payments on their phones.

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Jack Dorsey is a co-founder and CEO of Twitter  and as the founder and CEO of Square  a mobile payme...
Jack Dorsey is a co-founder and CEO of Twitter, and as the founder and CEO of Square, a mobile payments company. — Photo: Dorsey at Money20/20 2017.
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