This is one of the coolest and useful iPhone app if you really into a bad habit of typing while you walk. If you do regularly I am sure you might have lot of fun experience bumping into things.
Type While Walking is a new app for anyone who's ever thought, "My iPhone has a camera on the back, so there's no reason I should have to stop looking at it just to do a silly thing like watching where I walk." With this 99-cent app, you can compose email messages, SMS messages and other text documents on top of the image from your iPhone's camera, theoretically avoiding any need to look up from your phone.
Download the Type while walkingBy Isayonline Services and it is only 99-cents.
Source : downloadsquad.com