Flickr Leech is an API hack that, among other features, allows you to view all the photos with the flickr "interestingness" attribute by date in a single thumbnail page.
posted by jonson on Mar 7, 2006 - 10 comments

If you've ever wanted to know what portion of the US a specific zip code covers, this Google Maps hack is for you.
posted by jonson on Sep 27, 2005 - 11 comments