[aarongolliver]

And acquisitions, which are are frequently paid in part (or entirely) with stock.

[annadane]

But acquisitions in the case of FB are used as defensive, kill-our-competition moves. Is that really justifiable?

[frongpik]

Same for hiring. FB's money making machine needs very few engineers, but it still needs to keep hiring to deprive potential competitors from competent programmers.