MySpace is considered by far the largest social network today. These videos outlines the history of MySpace with facts and dates. I hope that you understand the importance of MySpace as one of the building blocks of future technologies. Of course, there is a price to pay. Social networks do not only give technological advantage to the people/corporations who sit behind them, but they also provide criminals with established and easily accessible infrastructure for doing mischief.
Recently I stumbled upon the following video. It is nothing but an example of what we, as security professionals, are up against. You see, web application security nearly affects everybody.
This video does not really show the security aspects of social networks but it does a pretty good job of showing, in a very dramatic way, how social networks could affect your life, your social life if you like. [...]