Here in Startupland we sometimes disparage 15%/year. But at the scale where big companies operate, that can be truly massive. facebook is realizing something li

Here in Startupland we sometimes disparage 15%/year. But at the scale where big companies operate, that can be truly massive. facebook is realizing something like 15% return on 70 billion of equity book value. Getting 15% on a 100k real estate flip is one thing. Realizing 15% on 70 billion dollars is quite another.