While everyone else is getting drunk, having all kinds of exotic fun and making out, you could ring in the new year with a breath-powered virtual new year's horn for your iPhone. But don't.
I'm all for iPhone apps replacing real-word objects and tools that I would then no longer have to purchase, carry or dispose of. But festive New Years Eve blowers is where I draw the line. The countdown sure is handy though, if you can't operate a digital clock. Not really worth $1. [NYE Countdown - iTunes]