Good to see that the ALA Conference doesn't only consist of talks and presentations.
The Fifth Annual Bookcart Drill Team World Competition works to infiltrate the media - it even reached our free paper - Metro - in the UK: under the Ridiculant column
Goto Demco for a bit more detail.
Or check out the Library Journal
Way back when (the 70s) I worked in Fringe Theatre, and one of the groups (whose name escapes me for the moment) did formation wheel-barrows as part of a park show.