Social networking sites are now estimated to have over 700 million users worldwide. As users can create their own profiles, you might expect them to portray themselves in the best possible light. When putting up a profile, it would be (26) _____ for them to present flattering images, choose sophisticated and discerning interests, and carefully express their thoughts to appear more intelligent than in real life. (27) _____, according to a recent study conducted on 250 Facebook users, this is not the case. Far from being idealised versions of themselves, most users' profiles (28) _____ closely to what they are really like and show their true personalities including their both psychological weaknesses and natural physical flaws. It's not entirely clear why online profiles depict users' personalities so accurately. It could be that users want to portray themselves as they really are, or that people attempt to present an ideal image of themselves but fail to do so. One thing seems clear: social networking sites can in no way be considered a false online world (29) _____ is idealised and removed from reality; rather, they are simply (30) _____ way in which people choose to interact with each other.