In a bottom up process the user can invest energy to make it work for them even if no one else knows it's worth it.
- In a bottom up process the user can invest energy to make it work for them even if no one else knows it's worth it.
- Contrast this with features built in a top-down way.
- The only features that exist in an app are the ones a PM decided to fight for
- The cost of fighting goes up as the scale of the app's usage and company goes up.