The Jelly Click mouse concept could make it easy for business travelers to carry around a full-size mouse without taking up a whole lot of space. The device itself is fairly simple: a small flexible board carries all of the circuitry while the body is composed of plastic that can be blown up manually.
http://gizmodo.com/350841/inflatable-mouse-is-super-portable-fun-to-squish
When not in use, it can be folded into a compact size or slid between the screen and keyboard of your laptop when closed. It may be a little weird from a tactile perspective, but I can see this idea becoming a reality. Although smokers with weak lungs may have a problem with it
