Thursday's Bat Signal at the Brooklyn Bridge OWS Event

On Thursday, there were several Occupy Wall Street events in the NYC area.  One was the march on the Brooklyn Bridge, where 99 people were arrested.  In the picture above, demonstrators are in the foreground, the Verizon Building in the background.  Projected on it is what has come to be called the "Bat Signal."  Here's what it looked like from a much taller building:


Here's an article at Boing Boing with one of the creators of the Bat Signal.