The commonly held view is that Facebook is not a dating service. But if you've seen the movie The Social Network , that statement's somewhat disingenuous given the social network service's origins, or at least the original idea that someone else had that Mark Zuckerberg refined to launch his currently 600 million member internet network. However, recent developments might lead one to wonder otherwise. I read this week that a young southern California computer programmer launched a "Breakup Notifier" in February. The brainchild of 24 year old Dan Loewenherz, the Facebook app informs its users via e-mail once targeted friends change their relationship status. Man, kinda takes all the work, and fun I would imagine, out of stalking the more vulnerable among your close circle of friends. But it doesn't stop there. There's also a "Crush Notifier" where people pinpoint friends they're interested in and if that person's interested they each get a...