It may seem odd to talk about user growth for Facebook, which with 1 billion-plus members is already more than three times the size of the entire U.S. population. But much of what the company does boils down to just that: How to add the next billion users? And then the billion after that?
And that's why today's announcement that Facebook is revamping its mobile messenger app is such a big deal. If it works -- and that's still a big if -- Facebook may be able to reel in many of the holdouts who so … Read more