Photo Tagging: A New Art Form?: "Between emails and instant messengers, the Internet has done much for productivity. Business moves faster. And people are connecting around the world. And now, a Canadian company is leading the way for a new kind of art form of sorts — it's called tagging."

Tod Maffin of CBC Radio looks at the use of tags in the photo sharing tool, Flickr. His audio report also discusses the use of tags in del.icio.us