Roger and Terrence interview Steve Wolak and Peter Thompson from Vodafone about the new Betavine site, a research and development space that encourages collaboration in mobile and internet communications. As a Betavine user, you can download and test applications, create your own projects and blogs, and interact with other users.

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Daniel H. Steinberg runs dimsumthinking.com and is former editor-in-chief of java.net.