AJAX: A programming tool for web-based applications that makes them faster and more dynamic, like traditional PC-based apps
Blog: A simple, easy-to-use Web publishing platform
Mashups: Tools that combine data drawn from two different sources
RSS: A protocol that syndicates and distributes content to users who subscribe to it
Social media: Tools that allow voting and other democratic techniques for identifying and ranking content
Tagging: User-generated keywords that help others identify and find content
Wiki: A tool that lets groups of people collaborate on documents
XML: A computer protocol that makes information easier to share between applications
