Didn't Facebook have over a billion users then? There's about 8 billion people on this planet, a good 7th or so are blocked from Facebook entirely. Even then, o

Didn't Facebook have over a billion users then? There's about 8 billion people on this planet, a good 7th or so are blocked from Facebook entirely. Even then, orders of magnitude would be 100, 1000 billion and upwards. They _can't_ grow orders of magnitude.