21st century Social Networking

Professional social networks - websites LinkedIN ( http://www.linkedin.com/) and Xing ( http://www.xing.com/) that help with business networking & job hunting. In contrast with mass market social networking such as Facebook and MySpace. Most users of social networks i.e. Facebook and MySpace have a lot of disposal time but not much of disposal income. With professionals subcribing to LinkedIN and Xing, it is the other way round.