Online movie databases that let you watch movies online have a huge collection of movies much more than what can be kept at home or an offline library. As a result a viewer has a choice of watching virtually any movie that best new movies to stream has been produced and completely when he or she feels like. Sometimes the databases even let the viewer download a movie. The next things of course were sites that gave these services absolutely for free.
These sites often ask viewers to take surveys in order to watch movies online. That is how they put up with the costs. Alternatively they may host ads on their sites. However there are many sites which actually perform surreptitious activities under the cover of being movie sites. They may install harmful software like spywares and malwares on your computer in order to steal important information from your computer and generate spam. However there are certain sites that are free of such things. They have networks with tv shows and movie production houses as a result of which they are able to provide a huge number of TV shows and movies.
The advantage of these sites is that you can choose at will the time to view the shows or movies unlike in theatres and television and you also get a much greater choice of contents than a movie disk library at home or the local parlor can offer.