Have you ever wanted to do something but it required you to give your email account which results in spam? Well not anymore when you use this. I just found this site off stumbleupon and it's REALLY useful. I just use it for when I want to register for things now. You just click "Get temporary email address" or you can name one for yourself and bam, you have a temporary email address that deletes itself after 30 minutes.
Here's the link if anyone wants to try: