Hi every body, i search on net a pdf that explain how to use faceBook especially in that subject : the internal structure : make friend request - what happen when i accept some one as friend - when i post my post will be visible where ?? - the relationship between persons ... and so ... in fact, the structure of FaceBook is different from the traditionnal email ... it needs to be more Clarity.. Any quick and clear PDF please ! Any clear FlowShart or Map ?? Many Thanks