Check out this critique of LinkedIn from an academic’s perspective. (One of the comments at the link sums up our assessment of LinkedIn to a tee:  “The loathing I feel for LinkedIn almost defies words. The amount of spam I get from them — invitation to connect after invitation to connect — is remarkable, and their customer service is nonexistent. Every time I try to complain, they tell me I cannot stop invites from arriving as long as I have an account. Fair enough — but I haven’t had an account for years…“) In a word, LinkedIn is the MySpace of the business world, so why does such a crappy site like LinkedIn still exist?