It’s difficult to hold a camcorder while, say, climbing up a sheer face in Yosemite. But there are many camcorders on the market that allow hands-free operation. The LOREXvue Video Sunglasses will capture video while freeing your hands up for other duty. You put them on, turn them on and shoot video, all while doing whatever else you like. Whatever you see, the camera sees and captures.
If you're a musician who wants to film your practice sessions or a fan in the crowd recording your favorite band, here's a common problem that can often occur: the video you shoot will end up looking OK, but the audio sounds weak and thin. For a medium in which audio is the key component and portability is important, there are relatively few options.