Completar frases Filling the Missing Words!Versión en línea Make a quick reading of the passage with the empty gaps to get the main idea, then complete the text by filling in the missing words. por Stefanny Cajamarca 1 INVITE STRUGGLED INVITATION PERSONAL VALID COMMENT USE NETWORK SPREAD WIDELY FEATURE ACCOUNT SIGN SEARCH Facebook is a social that connects people from all over the world . It was created in 2004 by Mark Zuckerberg from Harvard University . First he only wanted to it for the students of his university but then it started to to other universities too . Any student could start using Facebook if he had a e - mail address . Today , anybody over 13 can up for an account . At first Facebook against other sites that were already online . But by 2009 Facebook was the most used site in its field . The most important on Facebook is the ability to friends . If you accept a person as a friend you will be able to see his page . You can take a look at photos or videos , or simply see what your friend has written . You can also on his status and chat with him . It is easy to get friends . Just put their name into the bar and if they have a Facebook they will show up in a list . You can then send them an .