Most of Facebook’s revenue today comes from advertising, but the company is sitting on another huge opportunity: selling virtual and real-world goods through its payment platform. Today, Facebook submitted a third update to its IPO filing. Most of the new info related to legal matters, like the Yahoo patent suit. But there was one interesting business tidbit in there: Payments and other fees revenue increased to $557 million in 2011…

Facebook’s IPO filing shows that the company brought in about $3.7 billion in revenue and made $1 billion in profit in 2011. Advertising makes up the lion’s share of the company’s revenue — $3.1 billion — though payments and other fees have been making up for a larger percentage of revenue over the past two years. Sixty-six percent of Facebook’s total revenue from 2011 was made in the U.S., but…

In a tweet, CNBC Julie Boorstein says sources told her that Facebook’s 2011 operating profitwas about $1.5 billion and that its operating revenues were about $3.8 billion. The numbers are basically in line with several reports we heard toward the end of last year. Facebook is supposed to finally file for an IPO sometime next week. Incoming search terms:facebook logofacebook logo pngfacebook logoslogos facebookfacebook f logologo facebook pnglogos de facebook