NewsMap: Treemapping for Google News
Signal vs. Noise points to an interesting application of treemapping: NewsMap. It displays news stories, grouped by section, as rectangles whose size is proportional to significance of the story:

A similar concept has been employed (much earlier) in SmartMoney’s Map of the Market:
Both of those are good tools to deal with information clutter, although I think the Map of the Market is more useful in real life due to several levels of depth (you can drill down to individual sectors).
Add comment July 12th, 2006