The use of spreadsheets to record tasks as a universal, minimalistic, portable, flexible, and very customizable approach that requires "no" learning curve.
As part of the Developer Relations team at Google, we get the chance to run lots of different types of events. Some of the most rewarding are hackathons...
If you didn't attend Google I/O 2010 you can see the videos of every session on YouTube. All of the Enterprise sessions are now online. See the link...