If you thought Siri was a gimmicky feature of iOS, think again—you can do more than schedule an appointment, check game scores, and search the web.
Paul over at OSXDaily has posted a simple tutorial to show you how to use Siri to author a complete email without touching the keyboard on your iPhone.
The trickiest part of using Siri is remember the commands necessary to use Siri to do a ton of different things.