This site sells a smartphone accessory called Zhip
Description
The SurfShelf treadmill is a combination of a desk, treadmill, and desktop holder. To put it simple, it allows you to do workouts while doing things on your laptop. This site also sells an accessory called Zhip, which allows you to "stick" your iPhone, iPod, and other kinds of smartphones onto something for your convenience. You'll definitely find it handy!