mathoda.com

Imagine that you walk up to your friend at their house party. You clink your mugs of beer together. You hang out for awhile, then drift apart, meeting others. Every time they take a drink, your mug buzzes, alerting you to also take a drink.  Near the end of the party you meet up, equally sloshed. Sure someone could imagine making such magical mugs, but would anyone actually dare to make them? Yes Virginia, yes they would: http://www.newscientist.com/channel/mech-tech/mg18925425.400.html