Recently, designboom had a "house party" design competition, and after looking at 3070 designers from 89 different countries, they decided on the top 3. Wen-Haur Yen from Taiwan took first place and in his own words describes his invention:

COOLIGHT combines a handle and a steel cylinder filled with cryogen. When you need an ice beer, just put the COOLIGHT into the beer bottle. It would help you to cool down the beer as soon as possible. On the top of the handle , there is a cork made by rubber would fix the hole device and the bottle close together, and you can drink the beer through the hole on the top of it. COOLIGHT has another convenient device on its body, LED. LED would display the information of time and temperature in order that you could know what time it is or what the temperature of the beer.

I'm sold. I just love the ideas of all these different colored lights dancing around at my next house party. Unfortunately, Wen-Haur Yen 's design is not yet in production; but we'll be the first to alert you when it is.