“groovy mother...”

Flickr’s codebase-over-time visualized.

Just picked this up, and a quick skim shows it’s something a bit special: Learn good coding practices by reading experts choice of “the most beautiful code they’ve seen”, with plenty of commentary. I’m halfway tempted to take a day off next week and just sit and read this all day.

Google search for open-source code. Is there a use for this beyond doing mass-searches for vulnerabilities?