Social networks are social structures composed of groups of people, which are connected by one or more types of relationships such as friendship, kinship, common interests or shared knowledge.

Facebook is a social network website created by Mark Zuckerberg.Facebook began allowing students agregasen university students, whose schools were not included on the site, due to requests from users.

Tuenti is a Spanish social network for which you must have 14 or more than 14 years.This allows users to create their own profile, add other users as friends, exchange messages, join common interest pages, create and attend events , and upload photos and videos.

Twitter started as a research and development within a small start-up of San Francisco in March 2006. The original name of the product was twttr, inspired by Flickr.

At first it was used internally by the developer until he officially launched the public in October of that year

A blog is a regularly updated website that collects chronological texts or articles from one or more authors, the most recent appearing first, where the author retains always free to leave creating relevant published.

Myspace is a social networking service owned by Specific Media LLC and pop star Justin Timberlake.

Myspace was launched in August 2003 and is based in Beverly Hills, California. In August 2011, MySpace had 33.1 million visitors in the United States.

It was founded in January 1994 by two graduate students at Stanford University, Jerry Yang and David Filo. Yahoo! was incorporated as a company on March 2, 1995 and was listed on the Stock Exchange on April 12, 1996. The company is headquartered in Sunnyvale, California, USA.

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Face. Tuenti Twitter Blog Mys. Yahoo

By: María Sánchez y Marina Santos 1º E.S.O F