Facebook announced last week (15th Septebmer 2009) their news that they are ahead of schedule. Instead of becoming cash positive some time in 2010, this has already been achieved in quarter 3 of 2009. User registrations have now surpassed the 300 million mark too.

So what are the income sources? Silicone Alley Insider estimates the following:
$125 million from brand ads
$150 million from Facebook’s ad deal with Microsoft (will this ever be renewed?)
$75 million from virtual goods
$200 million from self-service ads.

Of the profiles, we don’t know how many are real or active. We also don’t know if someone out there is developing a social network that will surpass facebook, as it did to MySpace and the many others.

Despite the