Earlier quoted context omitted.
I wonder how many of those accounts are fake / sockpuppet / astroturf / paid likes
Again, totally guessing here, but I would guess a negligible minority
For a billion users, they need 1/6 of the worlds population. No way do they have that.
How many kids under 7? under 5? in the world. Don't have accounts. How many elderly over 80? 70? don't have accounts.
What is the % of non-"developed" countries? Not 1/6
Compared to people running multiple accounts (personal / professional/ seo accounts / spam accounts), now that I have heard of.
Regardless, they still have a hell of a lot of users, but 1b real, I doubt