Here are the numbers you need to know, plus a few extra ones about Facebook in general:
$1 is the salary Facebook co-founder and CEO Mark Zuckerberg will be paid starting in 2013.
2 is the number of classes of Facebook stock; Class A (worth one vote, and available to those who want to buy the company’s stock on the open market) and Class B (worth 10 votes, and only available to select individuals and investors).
15 percent of Facebook's revenue came from Zynga in Q1 2012, including both payments revenue and advertising that is displayed alongside Zynga games. That's down from 19 percent in Q1 2011.
28 companies have been acquired by Facebook so far.
55 mentions of competing and/or partnering companies with Facebook in the eighth and last IPO amendment. More specifically, Google is mentioned 14 times, Google+ is mentioned twice, Microsoft is mentioned 29 times, Twitter is mentioned twice, while both Friendster and MySpace go unmentioned.
39.4 percent year-over-year growth in Facebook's net income (read: profit) from 2010 to 2011.
46.8 percent year-over-year growth in Facebook's revenue from 2010 to 2011.
56 percent of Facebook's revenue comes from advertisers and Platform developers based in the U.S. This number is down from 62 percent in 2010.
57.1 percent of Class B shares (voting control) owned by Mark Zuckerberg.
70 different languages are supported by Facebook.
3,539 full-time employees work for Facebook around the world as of Q1 2012.
$200,000 is the amount Facebook paid for the facebook.com domain when it finally dropped the "The" from its name in 2005.
$783,529 spent on Zuckerberg's "comprehensive security program" in 2011, which included the procurement, installation, and maintenance of security measures for his personal residence, annual costs of security personnel, and the use of private aircraft.
2.2 million is the number in square feet Facebook leased for its office facilities around the world as of March 31, 2012.
$8.5 million is the amount Facebook is thought to have paid the American Farm Bureau Federation (FB) for the fb.com domain name on November 15, 2010, making the acquisition one of the ten highest domain sales in history.
42 million Facebook Pages with 10 or more Likes as of March 31, 2012.
$65 million is the amount Facebook agreed to settle with ConnectU and the Winklevoss brothers in February 2008. That legal battle is still raging.
$68 million spent on acquisitions by Facebook in 2011. These acquisitions, and in fact all of Facebook's acquisitions, were not material to its consolidated financial statements individually or in the aggregate.
169 million monthly active U.S. Facebook users as of March 31, 2011.
$205 million was Facebook's net income (read: profit) in Q1 2012, down from $233 million in Q1 2011 and also down from $302 million during Q4 2011.
$240 million is the amount Microsoft invested in Facebook on October 24, 2007, to purchase a 1.6 percent share of the social networking giant at a total implied value of around $15 billion.
300 million photos uploaded to Facebook daily in the three months ended March 31, 2012.
$388 million in research and development expenses spent by Facebook in 2011, or about 10.5 percent of its revenue last year. The company also spent $87 million in 2009 and $144 million in 2010.
421,233,615 is the number of shares Facebook is offering for its IPO. Facebook is selling 180,000,000 while investors are selling 241,233,615.
$1 billion was Facebook's net income (read: profit) in 2011. This is pretty solid given growth from previous years: $229 million in 2009 and $606 million in 2010.
$1.058 billion was Facebook's revenues in Q1 2012, up from $731 million in Q1 2011 but down from $1.131 billion in Q4 2011. It's worth noting that revenues also declined between these two quarters a year ago. Facebook typically makes more money in the calendar year’s fourth quarter than in the first quarter.
$1.4 billion paid out to developers from transactions enabled by Facebook's Payments infrastructure in 2011.
$3.154 billion was Facebook's revenue from advertising in 2011, or about 84.99 percent of its total revenue.