On the road to world domination you are likely to scramble some eggs.
Facebook is of course allowed to do pretty much whatever they want with the service they own, as long as it’s legal, and clearly users don’t pay for using the service, AND the users are not Facebook’s customers, advertisers are. Yet, as Facebook is completely dependent on an ever-increasing membership number, that clean-cut moral-less approach doesn’t work so well. Slide 8 shows best what we are talking about here in terms of ambivalence.
This also shows how easy changes get drastic effects, due to the centralization of all decision power to one company. That’s one of the major drawbacks of mass-appeal cloud services.