Search changes with Google Instant. Matt Cutts explains
Becoming More Accessible on Social Networking and Social Media - Kikolani
Web x.0 and beyond
Web 3.0 will be about semantic web, personalization (e.g. iGoogle), intelligent search and behavioral advertising among other things. This slide neatly sums up the main differences between Web 1.0, Web 2.0 and Web 3.0. Web 1.0 – That Geocities & Hotmail era was all about read-only content and static HTML websites.
Web 3.0 - Tomorrow's Web, Today