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http://www.googleartproject.com/

Art Project, powered by Google

Explore museums from around the world, discover and view hundreds of artworks at incredible zoom levels, and even create and share your own collection of masterpieces.

Google Wave

https://accounts.google.com/ServiceLogin?service=wave&passive=1209600&continue=https://wave.google.com/wave/&followup=https://wave.google.com/wave/&ltmpl=tempopensignups2 A wave is a live, shared space on the web where people can discuss and work together using richly formatted text, photos, videos, maps, and more.