If you currently have no contact at all with your users, I can see how
it might be a problem. However, almost all other apps have a way to do
this: by simply asking them on the website / app.
For example: my own app is a desktop client and it simply checks for
permission and asks for a
In our situation, once the users configure their accounts during the initial
setup, there is no need to revisit our website/app unless they need to
change some of their settings.
If they have not visited our website between June 15th - June 30th, then
unfortunately their GroupTweet accounts
