Photos: Reinventing the scroll wheel

Synaptics is hoping to cash in on the future vision of the digital home, where we all watch TV on our PCs with wireless keyboards or remote controls. In the company's labs, Synaptics is demonstrating a regular keyboard that comes with an iPod-like scroll wheel in one corner. The wheel lets users adjust the volume or flip channels in the middle of typing an instant message.

Photo by Tom Krazit/CNET News.com