Top 2 choices: - Send an email to our list with a couple options. I would expect minimal response - Build in a popup in our app asking existing users to choose

Top 2 choices: - Send an email to our list with a couple options. I would expect minimal response - Build in a popup in our app asking existing users to choose between 3-5 options, including the current. Report those stats to analytics and make a call from there. Anything else?