tagging

Driven by the growing popularity of sites such as del.icio.us and Flickr, an increasing number of internet users are tagging content on a daily basis.A December 2006 survey by research house Pew Internet & American Life Project has found that 28 percent of US internet users have tagged or categorised content online such as photos, news stories or blog posts.Tagging is gaining prominence as an activity which some classify as a Web 2.0 hallmark, in part because it advances and personalises online search. Traditionally, search on the web (or within websites) is done by using keywords, " Pew stated.