The Web 2.0 Expo is traditionally a breeding ground for new technology demonstrations and this year's event in San Francisco was no exception. Here are six of the more memorable technologies, most of which are social and collaborative in nature, demonstrated on the Moscone West show floor April 23 through April 25. You'll notice half of them are online collaboration tools that would look great as part of larger feature sets at Cisco Systems, IBM or Microsoft, which begs the question: Which will remain independent one year from now?

Coolest Technologies Demoed at Web 2.0 - No. 3 Octopz
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Forgive the silly name. Octopz rocks. The company makes online collaboration software for architectural engineers and industrial designers, allowing them to communicate via text, VOIP and Webcam while working on three-dimensional models and schematics on their PCs from any location. New features also include the ability to access Web services such as Flickr and Yahoo Maps.

Next: No. 2 Zude SocialMix >>

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