Firefox's new features include automatic updates (users previously had to complete an installation for each update) and extra pop-up ad blocking.

FORBES: Magazine Article

So although the chances of seeing a standard banner ad pop up on your Facebook mobile profile are extremely slim, the revenue potential is extremely large.

FORBES: 5 Ways Facebook Will Turn Mobile Risk into Reward

Unfortunately, many attacks are handled outside this forum and ad-hoc crime fighting groups seem to pop up like a game of whack-a-mole.

FORBES: Why Cybercrime Remains Big Business - And How To Stop It