Tech trend: Mobile 'hot spots' push limits

When precision-drumming band Savage Aural Hotbed practices on Wednesdays, its fans can drop by via cyberspace. Band member Stuart DeVaan has put a Web camera in the Minneapolis rehearsal space so jam sessions can be streamed live over the Internet.

But DeVaan didn't want to stop there. He wanted to Web-stream any performance, anywhere, even one outdoors. This created a technical challenge: Where would he find a high-speed Net access? It's not as if the jacks are common outdoors.


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