> For FB, can someone explain to me what was the actual damage, was it just personal information about you? FB allowed apps to access data about the user (who

> For FB, can someone explain to me what was the actual damage, was it just personal information about you? FB allowed apps to access data about the user (who authorized the app) and their friends (who did not need to authorize the app). The kind the data FB has can be used to reveal a lot of information about you (e.g. age, where you live, etc.) and this information can then also be used to derive things you haven't told FB -- such as estimating your income or predicting your SSN [1]. [1] http://www.pnas.org/content/106/27/10975 http://www.pnas.org/content/106/27/10975