For decades now, people have joined together online to communicate and collaborate around interesting imagery. In recent years, the pace and intensity of this activity has reached a fever pitch. With countless communities engaging in a constant exchange, building on each others' work, and producing a prodigious flow of material, we may be experiencing the early stages of a new type of artistic and cultural collaboration. In this episode of Off Book, we'll speak with a number of Internet experts and artists who'll give us an introductory look into this intriguing new world.