Facebook's 10 Most Serious Threats, According to Facebook  By
Derek Thompson   615 zuckerberg black 1.jpg     2) Advertisers
run away: Again, that's a straightforward concern. But the S-1
doc has some interesting stats, including: "In 2009, 2010, and
2011, advertising accounted for 98%, 95%, and 85%, respectively,
of our revenue." Facebook finished 2011 with net income of $1
billion. That's impressive for a private company, but Facebook
is valued by some at $100 billion. That number suggests many
investors have big dreams for the company's ad potential.  3)
Facebook runs out of ideas for monetizing the Facebook platform:
In their own words: "We currently monetize the Facebook Platform
in several ways, including ads on pages generated by apps on
Facebook, direct advertising on Facebook purchased by Platform
developers to drive traffic to their apps and websites, and fees
from our Platform developers' use of our Payments infrastructure
to sell virtual and digital goods to users. Apps built by
developers of soci