From the gmail labs: Mail Goggles. This application for your gmail aims to prevent you from sending drunk emails. The feature activates late at night, and forces you to complete a series of math problems before allowing you to send your alcohol-fueled, poorly typed and over emotional email to your ex, your long lost friend, your crush.
For more information, read here.
I was going to write something like "Why didn't they have this when I was still single?" But then I realized gmail didn't exist then either. And that I've actually never sent a drunk email. (Usually I prefer to embarrass myself in person.)
But anyway, I'm ever impressed by new technology. I want an application like this for iTunes. Something needs to stop me from getting drunk and downloading songs just because I liked them in 8th grade (See: Nada Surf's "Popular") or because I heard it on the radio earlier in the week and desperately needed to hear it again (See: Snoop Dogg "My Medicine").