Facebook IPO Officially Delayed Until 2012?

After numerous reports that a delay was coming, Facebook seems to have pulled the plug on any hopes for a 2011 IPO.

That's according to

, which reports that the social networking giant now plans to make its public debut at the end of 2012. Facebook, which may be worth $50 billion, $100 billion, or (depending on who you talk to)

, is expected to have one of the world's biggest IPOs. According to FT.com, private shares have been valued at more than $66.5 billion. Unfortunately, people “close to the company” told the Financial Times that Mark Zuckerberg wants to hold off on the IPO until September 2012 or later “in order to keep employees focused on product developments rather than a pay-out.” Facebook isn't the only company holding back. Zynga and Groupon are

as well. Lise Buyer, a consultant who advised Google

through its IPO, told FT.com that there is no reason to rush a deal. “The company doesn't need the money,” said Buyer. “It is a little easier to focus when you're private. They'll go when they're good and ready, not before.” Meanwhile, Facebook investor Peter Thiel told FT.com that it is generally desirable for tech companies to wait as long as possible. He thinks that Google set a good example by waiting almost six years to go public. “It was a good competitive strategy,” said Thiel. “And it culturally orientated people toward long-term value and not quarterly numbers.” Facebook, however, is running out of time. After accruing more than 500 shareholders, the SEC requires a corporation to file public financial results in the first quarter of the following year. According to FT.com, Facebook surpassed 500 shareholders last January when Goldman Sachs

. This means that the social networking leader will have to publish its numbers by April 2012.