Web 1.0: Static web pages, and simple ecommerce

Web 2.0: Tagging, AJAX, blogging and other social, interactive connections and networks (myspace, delicious, flickr, digg etc.). [wikipedia definition]

Web 3.0: UI breakthroughs lead to new online experiences, including the rise of game-like interfaces for work, communication and play, seamless speech recognition for navigation and other applications, real-time language translations of text, audio and video content, seamless integration of web-stored content across web-enabled devices, and applications that can fully leverage touch screen or finger gesture recognition technology.

[For an incredible speech by Bran Ferren, Co-Chairman, Applied Minds, click here]

[UPDATE (6-8-06): A magical UI]

Web 4.0 and beyond: Mind-computer connection, and development of lifelike Artificial Intelligence.

[Man Meets Machine]

[the web as an enabler of AI]

[nanotechnology and virtual reality]

Any thoughts?