Graffiti as conversation

Layers of graffiti showing a back-and-forth exchange between different writers on a wall
Layers of graffiti showing a back-and-forth exchange between different writers on a wall

A short February 2005 observation, connected to the ongoing research on spatial annotation.

I’ve been photographing layers of conversation in graffiti, back-and-forth responses between writers on shared walls, and tagging the pictures with conversation on Flickr. Prior art for spatial annotation on shared public surfaces?