Tech Innovations You Haven't Heard of Yet

Forget global warming, a tech freeze-out is under way.

If these first few weeks of tight credit is any indication, small businesses grappling with deploying new technologies face a new challenge: finding out what's going on with new business tools. Gobs of important tech news have floated out over the past few weeks, but with all the noise over the credit crunch, most of it was either drowned out or completely ignored. Credit woes have taken another casualty, it seems: the future.

X-ray cell phone ...