LONDON - JULY 02: In this photo illustration the Twitter website is displayed on a mobile phone on July 2, 2009 in London. The social network site, started in 2006 in California as a sideline project, has grown into a global brand becoming one of the fastest growing phenomenas of the Internet. (Photo by Peter Macdiarmid/Getty Images)
Twitter has no plans to go IPO this year and the reason might surprise some.
Stone said his company may not even need to raise more investment money this year. Twitter, whose current valuation is around $3.7 billion, raised $200 million worth of funding in December and another $80 million last month.