LinkedIn, any number of dating sites, and I believe MySpace all have (had) it. When a site is focused on "social", like MySpace or Facebook, it comes across as

LinkedIn, any number of dating sites, and I believe MySpace all have (had) it. When a site is focused on "social", like MySpace or Facebook, it comes across as invasive. When a site is focused on personal "marketing", like LinkedIn or dating networks, it can more be useful feedback on your reach. EDIT: I hate the word "creepy"