How much money is Facebook getting from you?
On average in 2011, it generated $4.34 per user from advertising, according to its IPO roadshow. Depending on where you live it could be more or it could be less as you can see in this chart.
[If you are spending money on Facebook games, then it’s going to be more than what’s on this chart]
Instagram just may be the most capital-efficient company in the world. It’s got barely a handful of employees and tens of millions of users. It’s hard to understate the effect that such leverage has on value.