Building an iWristwatch: What smart watches need next

From left: iPod Nano watch, Swatch Microsoft/MSN watch, Fossil Wrist PDA, Sony SmartWatch. (Credit: Sarah Tew/CNET) My watch is an iPod Nano . It's not perfect. In fact, there are many ways I'd like it to be better. But, it works. It also looks cool. Those are two seemingly small details that are in fact quite major when considering a smart watch these days. "Working" is a matter of opinion and ...