Web 3.0? Yoowalk lets you surf in 3D

Yoowalk is a new site that allows you to explore the web using an avatar.
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Google Launches Its Own Virtual World

Google recently launched “Lively,” a virtual world integrated into the rest of Google’s social media environment. Google users can create an avatar that can be used everywhere a Lively virtual room is present.
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Customize An Avatar to Surf the Web With You

Rocketon allows you to create an avatar who will accompany you as you surf the web.
Rocketon article