How important is privacy and safety in data handling for free services?

This upcoming week, VOX Delft’s collaboration with AEGEE-Delft brings us together to discuss, “What should the balance be between privacy and safety and how far would you go into handing in personal data to make use of free services?

Keeping in mind, the recent developments of Mark Zuckerberg’s testimony and the data lost to Cambridge Analytics from Facebook, it shows that your information’s privacy isn’t so safe. The possibility of tracking your internet activity even without being logged-in is quite a risk. Not only companies have this ability, but intelligent agencies use this to provide safety for its citizens. In both cases, how far can they go into invading one’s privacy online, to provide security or free services? Or should we just be more careful with what we share online?