Stable URIs: If you've got a large data set with real objects in it, don't just display them incidentally thru some other interface -- give them web pages with stable URIs. Then they'll show up in , get linked to by other people, all sorts of good stuff.

Visualizing Data: A book by Ben Fry that covers programming dynamic visualizations of large data sets. Covers everything from scraping the data to writing your own graph libraries to display it on a gaming pattern which plays like Jocuri cu masini. Provides an introduction to the Processing language.