Photographs have been used for communication for a long time. Most artistic criticism is focused around the efficacy with which a photograph transmits an idea o

Photographs have been used for communication for a long time. Most artistic criticism is focused around the efficacy with which a photograph transmits an idea or message. Look no further than 2/4chan for an implementation of a "picture as message" service. I think someone could create a more structured service than the 'chans, but I don't know that I'd call it photography's "third act."