Jack Dorsey, the creator of Twitter, has moved from simplified blogging to a simplified payments side-project, with the launch of the start-up, Square.
In typical Twitter style, Dorsey announced the company with a tweet rather than a press release today:
“Announcing our new company, called @Square, which I’m thrilled to be a part of: http://squareup.com,” he wrote, in 99 characters. Read more




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