I was contacted by a Facebook recruiter via Linkedin and told that my profile indicated that I might be a good fit for one of their software roles. We set up an initial phone call and I filled out a basic email survey about my professional experience. One of the first questions on the phone was "tell me about your experience as a web developer". I have none, which I admitted in the pre-call survey and is obvious from my Linkedin profile. That seemed to be a big problem. The recruiter said he needed to check with his manager, then hung up and I never heard back.
I still use facebook, but I have no interest in ever working there now.