Every day they are more articles that explain to us how the specialists in information must organize the chaotic world of Internet, or at least, to try it. Sciences of the Information take centuries trying to organize the scientific production and literary human and tools which have been developed and techniques that help us it and, which is more important, are equipped with instruments to adapt the results of the search to the profile of the user. The specialists who first assumed this premise (or are so that they were first that had access to the electronic intelligence, or is by other reasons) were the centers of documentation and specialized libraries.