Recently were announced the top visited web sites for February 2007. The first two places are held by web sites that include user created content. Wikipedia, the online wiki encyclopedia is holding the eight place in the chart that has 42 309 000 unique visits, After it is YouTube with 42 116 000 visits.On the first two places are the search engines Yahoo! and Google.

In general, user created content is the information submitted by the users. Thanks to the development of the internet technologies the end users have the opportunity to share their opinion about different topics. The most popular forms of user generated content are digital video, blogging, podcasting, mobile phone photography and wikis.