Everybody has something to say about the Facebook / Cambridge Analytica case. And I am annoyed by people saying that when you give your data to Facebook, you forego some parts of your privacy (true) so you should not be surprised (false). In simple terms, it was an actual data breach. Individuals who had not consented, had their data exposed. This was not supposed to happen. There are two aspects I would focus on regarding this issue:
Earlier this month (that is, January 2016), news came out that Twitter is considering raising the character limit from the current 140 characters, to 10.000 characters. Is this the right thing to do?
Have you ever received a connect request on LinkedIn, a friendship request on Facebook, by someone that you don't know, but seems to be quite connected to some of your connections or friends? Welcome to social medineering.