In Pictures: 15 coolest gadgets at Macworld/iWorld...
The musician is ripping tunes on a Godin guitar that's connected to a nearby MacBook. In turn, software records the music live, without any noticeable lag. He says it's the only guitar with built-in components to connect wirelessly and integrate with the software. Then he strolls off a ways, still playing music, still showing up on the MacBook. Software and guitar cost: $995.
In Pictures: 15 coolest gadgets at Macworld/iWorld Expo