[phelmig]

I worked on a concept for this for a while. I ran into the following contradiction I couldn't solve:

If the data entry is quick and easy, then I'm not gathering empirical usable data. If I try to gather good data the user will become annoyed.

I think data gathering apps work for a small scope when the user is engaged enough to provide the data. Fitness or body building for example. Or sports car races etc.

This was making me think that maybe a generic statistics app with user generated values/measures/timers might be interesting. But once again, non technical folks probably aren't interested in statics too much.

Maybe gamification and a great UI is the answer here or maybe one should start with a specific problem (workout, drinking, sex or whatever) and broaden the scope as he analyzes user interaction.

I would give such an app a shot, but I'm not sure if I wouldn't forget about it too quickly. Just as I forget about using Lift (the app) and other interesting stuff.