So many people wanting to look up information now use the internet rather than libraries. Virtually anything can be looked up online these days, for anyone interested in almost any topic imaginable there are places online to read about it. Some people might need to look into an employees background, or try to locate lost relatives. Businesses can help with such lookups, thay can be very profitable because off their cheap and simple business model, expecially when they run their business exclusively online. Companies earn money by offering automated information lookups. 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.