Well, he recently released some very private personal information to the community. I think he might have had second thoughts if he knew that would be broadcast all over facebook for his friends and family to see if he hadn't told them yet. There is no excuse for this mass spying. Sure, we can boycott the companies that do it, but we still get tracked anyway; even if you don't have a facebook account.
A disturbing trend of spying is when the Government enlists the citizens to distrust each other and spy and report on each other.
Guess who was guilty of this during a time in our recent past history?
One of its main tasks was spying on the population, mainly through a vast network of citizens turned informants, and fighting any opposition by overt and covert measures including hidden psychological destruction of dissidents (Zersetzung, literally meaning decomposition). It also worked as an intelligence agency abroad, the respective division Hauptverwaltung Aufklärung was responsible for both espionage and for conducting covert operations in foreign countries
Answer - the Stasi
Now consider this situation as it applies to our current times.
Oh, and don't forget this
Obama administration urges federal employees to spy on each ...