...
Reason: The single biggest obstacle for users is the configuration of sound. First they have to go through sound configuration in the Audio Setup Wizard and next they have to set sound levels on their system. The Audio Setup Wizard should be able to configure all sound aspects in a very focussed and simple way, and it would make sense to have a more direct control of settings next to the Talk button: 1. microphone audio device and volume 2. speaker audio device and volume.