Social networking sites such as Facebook and MySpace provide a forum where people with similar interests can get together.

Social networking and book marking sites are among the most popular sites on the Internet and they allow users to share information on the products and websites they like in an informal manner.

These groups can be arranged geographically and may only have the one subject in common. A member of the social networking site can join as many groups as they like, so someone in Dorset with an interest in dogs can join groups related to Dorset, beaches in Dorset, Bournemouth night life, dog grooming and anything else that might be connected.