Historically: Microsoft: Prioritize what users demand. This leads to massive spaghetti systems which become unmaintainable in the long term. Amazon: Talk to u

Historically: Microsoft: Prioritize what users demand. This leads to massive spaghetti systems which become unmaintainable in the long term. Amazon: Talk to users, and do what users need. This seems to do okay. Google: Do what developers think is right for users, having never interacted with a user, and convinced of the intrinsic superiority of Googlers. The Google approach does okay for B2C, but doesn't work for B2B. The Microsoft and Amazon approaches do well in different niches.