Facebook's ARPU and overall revenue has been continuing to increase even last quarter.
So clearly they know a little bit about what is a solid, sustainable profit source.
So clearly they know a little bit about what is a solid, sustainable profit source.
It is more than a "solid, sustainable" profit source, it is a best-in-class cash cow that feeds a growing monstrosity for shareholders that want more, more, more.
The business they left behind is still sustainable.