Friends, everyone on the network can write messages. Wall of FaceBook, but if it's a confidential message. Enter the alias or by terrorists to provoke the reader will stop without sufficient maturity fall. Conflict and subsequent problems later.
Everyone in the network can write down your FaceBook Wall of text, but if it's a secret. The Defamation Or hidden by various provocations. To make the reader believe that immature enough conflict. And the subsequent problems later.
All my friends on the network can write messages down Wall of FaceBook, but if a text is classified, slander, or hidden with incitement. To make the readers that immature, trusted the conflict.