In April 2008 there was a symposium on mashups:
http://www.nmc.org/conference/2008-spring-symposium

In their call for proposals they used a picture to illustrate the ideas of mashups:


which shows a mashup I coded myself on my home linux box to combine CanonEOS400 pictures with a GPSLogger of a yacht with google earth.

The classical kissology effect: the bits we spent most time on are not as much viewed as the simple nice hacks.