The last few months have brought a flurry of new Web sites devoted to social networking -- that is, helping people use friends of friends to do such things as find better dates or more lucrative jobs. Now, as some industry insiders rush to protect their intellectual property in this arena, others are murmuring about an impending patent war that they expect to bring an industry shakeout. You might want to be sitting down before you follow this link. Patents: Idea for Online Networking Brings Two Entrepreneurs Together | 
