The publication of the different official bulletins is intended to publicize, purposes of dissemination and manner that is accessible to the public for consultation, standards and other provisions or acts that the legal system considers that they should be published. This information is considered as a basic democratic right. Among the published information are regulations, appointments, situations and incidents, oppositions and contests, notifications of the administration of Justice, official and private ads, auctions and contests of works and services, and other provisions. At first these bulletins were published on paper, and despite its vocation to broadcast actually were few people or companies that read these bulletins, usually professionals requiring your inquiry into their daily work. But with the development of information technologies, these publications have entered on the Internet. The different rules governing these newsletters recognize the legal validity of the publication of the same in its digital version.
Been gradually replacing the paper Edition for the digital edition of inquiry more easy, convenient, and universal. It is usual in these publications containing personal data e.g. on notifications of the administration of Justice, ads, auctions, competitions and contests. The organic law 15/1999, of 13 December, of protection of data of a Personal nature, hereinafter LOPD, recognizes the nature of sources accessible to the public, and may be consulted, and use the information without the consent of the owner of the data, provided that the processing is necessary for the satisfaction of the legitimate interests pursued by the data controller or by the third party to whom the data are disclosed to these publications, and that do not violate the fundamental rights and freedoms of the person concerned. We all know the important role that Internet search engines perform in the enquiry of the data and information that the precise surfer. A search engine is a Web page in which a database in which relate Web page with their content addresses can be consulted.