With over 500 million users, Facebook can provide a wealth of professional information. BranchOut , for example, is using Facebook to find jobs through your real friends as opposed to LinkedIn contacts. Startup Stik is launching as a way to find recommendations of service professionals through your Facebook friends. The web service essentially connects you with professionals who are already friends of your friends on Facebook. So through Stik you can search for a mortgage broker through your friends of friends; Stik will show results of brokers connected to your friends by one degree. For example, I found 45 mortgage brokers connected to my social graph on Facebook.