Friends, everyone on the network can write messages. Wall of FaceBook, but if it is a confidential message. Enter the alias or by terrorists to provoke the reader will stop without sufficient maturity fall. The conflict occurred.
All friends of the network can write messages to your FaceBook Wall, but if the message is confidential. Defamation well Or hidden by such provocation. To make the reader believe that no mature enough conflict. And the subsequent problems later.
All my friends on the network can write messages down Wall of FaceBook but if the message is confidential, slander, or hidden with incitement. To make the readers that immature, trusted the conflict.