The development of the internet and the web, and of search engines, has led to users doing their own searching. In the Web 2.0 environment users are now also doing their own content creation and information management. Because folksonomies develop in Internet-mediated social environments, users can discover who created a given folksonomy tag, and see the other tags that this person created. In this way, folksonomy users often discover the tag sets of another user who tends to interpret and tag content in a way that makes sense to them. The result is often an immediate and rewarding gain in the user's capacity to find related content. Read more – ‘Taxonomy of Folksonomies’.
Asynchronous JavaScript and XML. It's a whole new way of looking at the web where HTML page makes asynchronous calls to the server using JavaScript and loads the data in bits and pieces as needed. Ajax is not a new technology. It’s a new developing approach, based on the following existing technologies: XHTML, CSS, DOM, XML, XSLT and XMLHttpRequest. Read more – ‘Coldfusion AJAX Frameworks’.