We do share numbers, working to get up from the 40% opt-in we had on desktop now that we've got ads on Android (iOS to-do). The opt-in is mid-teens right now, I

We do share numbers, working to get up from the 40% opt-in we had on desktop now that we've got ads on Android (iOS to-do). The opt-in is mid-teens right now, I think -- we will drive it up cleanly via telling users about it and rewarding them for joining.