Alexala 2.0

Twitter is a social networking and microblogging site which gives users a personal page updatable with text with no more than 140 characters

Facebook is the world’s most popular social networking site with some 350 million users (source: Facebook September 2009)

Flickr is a multilingual site that allows users to share their photos with anyone who has web access, under web 2.0

YouTube lets people upload and share video clips on both their site and on other web sites, using mobiles, blogs and e-mails