This is a classic false sense of security People identities are stolen constantly by web apps, they just don't know An app like Excel could steal my data, yes

This is a classic false sense of security People identities are stolen constantly by web apps, they just don't know An app like Excel could steal my data, yes, but it is my willingness to give away all my connections to Facebook and let them spy my interactions that gave away my identity and also the identity of people that do not use Facebook, but are mentioned by me or my other contacts (for example my parents) That's the real danger