Sampling the Web's Best Mash-Ups is weighted a bit heavily toward mapping, but still shows off what can be done when data is made available to the devil's playground. These idle hands are essentially free R&D... not a bad payback for an API.

"A raft of new Internet sites and services is borrowing from hip-hop culture's mash-ups, which combine two tunes to produce an entirely new song. Likewise, hackers are combining the data and features of two or more Web sites, creating entirely new, independent Web mash-ups that in the best cases transcend either of their forebears."

Go read Boxes and Arrows: Collaboration Sessions: How to Lead Multidisciplinary Teams, Generate Buy-In, and Create Unified Design Views in Compressed Timeframes.

I worked with Sasha at Y!, and was impressed with how well this system cured many waterfall ills. You should try it at home!

www.dontclick.it mostly inspires a shrug and a so what-- but it is useful to remind people that you don't have to slavishly adhere to standards.