Google newsreader

A remarkable implementation of treemapping to visualize Google’s news, surely just the tip of an iceberg of renderings (via a slashdot posting):

Treemaps are traditionally space-constrained visualizations of information. Newsmap’s objective takes that goal a step further and provides a tool to divide information into quickly recognizable bands which, when presented together, reveal underlying patterns in news reporting across cultures and within news segments in constant change around the globe.