Tripso have created a short animation of photographs taken across the world over a 12 month period. The movie shows a world map in which pixels light up according to the relative amount of pictures taken. Some tweaking had to be made however, due to their observation that:
There are more pictures taken in the city of Paris alone on one day that in all of Africa in a year so we corrected for the average.
The original article on the animation highlights more information on a series of snapshots describing some interesting trends and anomalies.