Description:
The virtually unlimited growth of popular Online Social Networks (OSNs) is often accompanied by severe violations of their users' privacy and intellectual property rights. Both problems are rooted in the centralized architecture of many current OSNs, in which a single entity (the provider of the network) controls all globally stored but unencrypted user data. As a result, the provider is able to analyze, forward, sell, modify, or otherwise misuse the data. However, even though these practices have raised serious privacy concerns among OSN users, many providers continue to collect and analyz...