iOS 5 includes a neat feature called keyboard shortcuts which allows you to enter frequently used words and phrases simply by typing an abbreviation. For instance, 3G, which entails a bit of deft finger work, can be invoked by typing ggg. Chris Rawson’s article on TUAW gives you the lowdown on how to do this.
iPhone 101: Set up keyboard shortcuts for easier typing | TUAW – The Unofficial Apple Weblog
(Via tuaw.com)