The men behind the tweets - BBC

Sometimes friends, sometimes enemies, the relationship between Jack Dorsey, creator of Twitter real, and Dick Costolo, CEO of Twitter, are ambiguous.

In Silicon Valley, Dick Costolo, CEO of Twitter, is an exception. It has nothing of the young programmer who made his fortune by creating a revolutionary website, like Mark Zuckerberg. In fact, he almost did not get computer at all. On leaving university, Dick Costolo preferred to engage in improvisational theater, her passion. It was only 33 years old in 1996, he finally invests in its first web based business. In 2004, he helped in the creation of FeedBurner, a subscription service for online news feeds, eventually bought in 2007 by Google. He worked in the search engine until July 2009. Two months later, he announced his arrival in Twitter as CEO. He was then 45 years old.

true creator of Twitter Jack Dorsey called. This American native Missouri imagine the microblogging site in 2005. He developed the concept with three colleagues, Noah Glass, Biz Stone and Evan Williams. All while working within Odeo, a podcast listening services founded by Noah Glass and Evan Williams. The first prototype of the social network was created in 2006 under the name Stat.us and Twittr. The first tweet was posted by Jack Dorsey himself. After a presentation noted the South by Southwest conference, Twitter opens to the public. Jack Dorsey becomes CEO. For two years, the site is growing in audience, so much so that it often fails. In 2008, Evan Williams takes the reins. “We had two effective leaders, but we had to pick just one,” says Biz Stone in an interview New York Times . Evan Williams, with his experience within Odeo, better control the strings in the middle of start-up Jack Dorsey. The latter became president of the board of Twitter, a position he still holds today.

The actor became CEO

Evan Williams brought Dick Costolo within the social network. For the former comedian, Twitter is a business that can change the world. He took the head a year later, in 2010. Initially, it was only to replace Evan Williams during paternity leave. The hand eventually turns into a solid position within the company. Sidelined, Jack Dorsey founded in 2010 in parallel payment service Square smartphone. A new success. His company is now valued at $ 3 billion.

relationship between Jack Dorsey and Dick Costolo are ambiguous. They said sometimes friends, sometimes enemies. Asked about this in May, Dick Costolo called the former CEO of Twitter “remarkable.” “Jack can solve problems in an incredible way. He has flair, “said he added. Jack Dorsey now serves as advisor to the social network. It was he who introduced Vine Dick Costolo. Twitter finally redeem this service microvidéos in 2012.

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