Facebook says it has a global total of 1.23 billion monthly active users – nearly half of the global population with internet access. This includes 945 million who use the social network on a mobile device. But some analysts note that Facebook has to shift strategy for an aging user base.
"People joke that for the teen, Facebook isn't cool when your mom is on it," an analyst said. "I think it's not even your mom any more, now it's also your grandmother."
