Lots of people now use the internet when wanting to look up information or find places. All manner of info can be researched online, for anyone interested in virtually any subject under the sun there are places online to find out about it. Some people might for example need to find lookup sites to enable them to investigate an employees background, or try to locate lost relatives. Services who can offer such research help are often very profitable due to the cheap and simple business model when they operate online. They make money by offering an automated way to get information. The kind of info in such sites include phone and cellular info, family and people searches, and more. Sites like social networking are used by these services to find customers. When people are concerned about being defrauded or scammed they can also use one of these online services. You can lookup a particular phone by using a cell reverse phone lookup for example.