Beer-Dispensing System Will End Ballpark Lines

For anyone who has waited for what seems like hours while concession workers laboriously fill plastic cup after plastic cup with delicious, overpriced ballpark beer, here's a new system that revolutionizes the process, flowing beer into the cup from the bottom up.

Source: http://feeds.wired.com/~r/wired/index/~3/A6_YRrBFRnM/

simple trading system