Marta Nogueira describes how three Web 2.0 applications (Facebook, Flickr, YouTube) can work as a virtual extension for archives and other cultural organisations, by identifying benefits obtained from the use of Web 2.0 applications. <a href="/issue63">issue63</a> April 2010 <a href="/category/article-type/feature-article">feature article</a> <a href="/taxonomy/term/1081/author-info">marta nogueira</a>