Logitech has launched an $80 ultracompact folding mouse. Its design is great, but its ergonomics leave a little to be desired. Still, it's a rather nifty travel mouse. The Logitech Mobi Fold is remarkably small when folded up. Logitech's new is conceptually quite appealing. This tiny 2.8 ounce travel mouse reminds me of the mini flip phones of yesteryear, folding up into a small square that's less than an inch thick and pocket friendly. Unfold it, and you have a fully...
