We've found that people who come back after 3 days, are very likely to be there in 30 days, assuming the product solves their problem. In general, we treat them

We've found that people who come back after 3 days, are very likely to be there in 30 days, assuming the product solves their problem. In general, we treat them as steps in the funnel - complete signup to become MAU, come back in 3 days to be HEU. We look at where in the funnel we're currently failing and spend time on that piece.