Casey Reas demonstrates "Processing", a programming language he created with Ben Fry using plain English and a core set of geometries. He shows various examples using Processing and talks about diagramming and the visual representation of data. He shows the diagram for his Ars Electronica, 2004 piece, based on Steven Reich’s composition, Music for 18 Musicians and a data visualization application called “Flight Patterns,”created by Aaron Koblin at UCLA. Please note: The first 44 seconds of this video are damaged and out of focus.