David S. Platt (Supreme and Exalted Dictator-for-Life, Rolling Thunder Computer)

Know Thy User, For He Is Not Thee

Lots of human time costs lott of $ (or €).
Automated collection of user data based on user actions.

Example: Customer Experience User Program

Check this site

The tips:

1. Start small (ie top 10 help topics)
2. Don't collect personally identifiable data
3. The Statistical Universe is Your Friend
4. Coordinate with other Feedback Mechanisms
5. Use the Data for Good, Not for Evil