These out-of-control social networking sites have revolutionized the way young people meet, befriend, flirt, love, slander, and break up with each other. For the rest of us — shhh! — it's changed the way we get to spy on them. The four-part news feed below will tell you everything you need to know (and then some) about the rise and demise of Kevin and Jennifer's "wuv" for each other. In short, Amy — "that conniving witch" — couldn't keep her flirtatious pointer finger to herself, and it all went downhill from there. The more things change, the more they stay the same, eh?