MediaShift: ProPublica’s ChangeTracker Lets You Watch Government’s Moves | PBS

"ChangeTracker is a project at ProPublica that watches three government websites -- Whitehouse.gov, Recovery.gov and Financialstability.gov -- for edits, deletions or changes to existing content. Through an RSS feed, Twitter account or daily email digest, ChangeTracker will inform you when a page changes on these sites, and show you what's been added or removed."

ProPublica: Steal Our Code: How to Build Your Own Change-Tracking Feeds

"ChangeTracker is an experimental new tool that watches pages on whitehouse.gov. recovery.gov, and financialstability.gov so you don't have to. .... But ChangeTracker is not a piece of software. It's the output of a series of powerful and mostly free Web-based tools, lovingly connected over the Internet. Here's how to do it yourself so you can track changes on any Web site on the Internets."