That's why paid surveys exist. The in person variety can be structured into a 30 minute open conversation. Select a few random existing users and offer them t

That's why paid surveys exist. The in person variety can be structured into a 30 minute open conversation. Select a few random existing users and offer them the opportunity for a 5 minute call and with the possibility of 50 for 30. Then you can preselect the people you want to target based on their prescreen