This tweak amused me briefly: it shows you how to play with the Amazon image generating engine. I can see someone turning this into a FireFox extension or more likely a GreaseMonkey script.

Abusing Amazon
images

And one from the other day: for some reason, Google Maps 'Local Search' feature returns a large number of results for 'brothels'... I wonder how they know this information?

Search Google Maps for 'brothels' in Crawley