Facebook files IPO prospectus

The most eagerly awaited IPO of the decade has just filed its S-1 statement (link). Some observations:

• Symbol: FB
• Proposed maximum aggregate offering price: $5 Billion
• 845 million monthly active users (MAU)
• 483 million daily active users (DAU)
• Users generated on average 2.7 billion Likes and Comments per day in Q4 2011. 
• 100 billion friendships
• 250 million photos uploaded per day
• FB generated $3.7 billion in Revenue in 2011, up from $2 billion in 2010
• FB generated $1 billion in net income in 2011, up from $606 billion in 2010, a 40% growth rate, compared to the 165% growth rate from 2009's $229MM.
• EBIT margin peaked at 52.3% in 2010 ($1MM in EBIT on $2 billion in revenue), has since declined to 47.3% or $1.756Bn on $3.711Bn in Revenue
• $3.9 billion in cash and marketable securities
• Peaked model? - MAU additions peaked in 2010 when FB added 248MM to a total of 608MM; in 2011 it added 237MM to 845MM
• Zynga (ZNGA) accounts for 12% of Facebook's revenue