Flickr Tagr visualizes photographs based on social classifications (i.e. tags). It allows users to search for photographs tagged with particular words while showing them additional tags related to the ones selected so far. The goal is to allow a user to quickly visualize the photos available for an arbitrarily selected intersection of tags, while exposing them to other tags they might find interesting. Users can also click on a photograph to see a larger version in a custom-built light box.