Every night in the summer, tourists and flying mammal aficionados gather at the Congress Avenue bridge to watch the nightly emergence of the bats. Everyone sits on the banks of Town Lake between the Austin American Statesman building and the bridge. This time, we joined Flash Mob Austin on an undercover mission. The plan was that secret agents would intermingle with the others there and on cue, erupt into a giant pillow fight. Then as quickly as it started, it ended. Everyone sat back down as if nothing happened. Non-agents sat back amused and completely bewildered!
This video is a good explanation of it all from last year.
This video has less explanation but shows how it grew. This is the one where the kids participated: