what's this thing?

To owe your Tweeps a beer, @-reply to tweetbeer like this: 
@tweetbeer @mattallen for the memories
Tweetbeer will let your Tweep know about their cold one and record the debt here for later collection and posterity.

thankyous & thankings for hughevans

hughevans owed a beer to sclick for putting on CRC at his joint.. about 5 months ago
schlick owed a beer to hughevans for canberraruby.com. about 5 months ago