Web 2.0 is an industry buzz word that gets thrown around quite often. The term is often used for new web technology or comparison between products/services that extend from the initial web era to the existing one. For the purposes of this book, Web 2.0 www.it-ebooks.info xx Hacking Exposed Web 2.0 addresses the new web technologies that are used to bring more interactivity to web applicatiā¦