From Rhizome Artbase

ikebananana2 – sketchbook is an Apple Keynote presentation file containing 53 sketches and treats the program like an interactive sketchbook, where slides are duplicated and adjusted, forming a meandering journey across the presentation. The user has the opportunity to participate in the artwork by deleting, duplicating, and adding new slides, and can even export and share the contents of the file and original source imagery.