Quote from hajimow:
I hear many hedge fund managers and even small/ big traders are so determined to short FB and drag to it to zero.........

Quote from Jack_Larkin:
A wiser trader than myself pointed out that once everyone who wants to short finally gets shares available to borrow, the short play probably won't move as smoothly.
The first few days, shorts were crushin it and the moves were clean. I expect things to start to get dirty as more people gain the ability to short the thing.