Having petabytes of stats doesn't mean the interpretation of those stats is any good. The retention for your web app might suck, for example, because you're con

Having petabytes of stats doesn't mean the interpretation of those stats is any good. The retention for your web app might suck, for example, because you're constantly showing popups to the users telling them to switch to the mobile app and once they leave you no longer see them in "the data". The problem with data is that you can't see the things that are real but not in the data.