It would definitely be an interesting experiment. So far, the relevant crypto projects always had a core of developers and a small following at the beginning. They grew in accordance with its actual relevance / utility. And the core was always a bunch of intelligent and creative folks. That’s why I think some of these projects survive all those ups and downs and the roller coaster ride, even a quick buck (because for the developers, it’s never really that quick).
On the other hand, FB is this behemoth with so many users, many of whom are, to say it honestly, dipshits. I personally know plenty of smart people who were there when it started – and haven’t been there for ages.
One has to wonder how this giant virtual organism would react if you threw huge money on all of its cells. If it lasted though, at least for the while it did, Mark would be arguably the most powerful man on Earth. Which brings us to another question.
Governments. Facebook with a functional currency system would have the real chance at becoming the true first full-fledged internet economy as well. It’s no longer an academic asylum. You have bakers and plumbers and baby-sitters there. Would governments agree? I mean, it’s pretty easy to ban FB.