Facebook IPO to spark valley economy

Facebook isn't expected to immediately announce whether it has chosen the New York Stock Exchange or the Nasdaq Stock Market for its primary stock listing when it files papers for its IPO, according to people familiar with the situation.

Facebook is in no hurry to go public. It has unlimited access to private capital, as last year's Goldman Sachs(GS) sponsored deal demonstrated. Even after Goldman excluded US investors from its offering, its Goldman funds were oversubscribed.

Facebook could go public this week with $10B in stock and a valuation at $100B. How did our status updates and vacation photos turn into tech's biggest IPO ever?

The expected launch of the Facebook IPO will probably give Russian internet companies a good indication if they should follow suit.

Facebook's valuation is rumoured to be between $US75 billion ($70.58bn) and $US100bn, on revenue estimated by eMarketer at about $US4.3bn in 2011. That means a price-to-sales ratio of about 20. The temptation is to use Facebook's IPO to justify a