"Now that you know the Habit Path, the next step is to create hypotheses about what it was along that path that tipped users from passers-bye to devotees. Granted, this step can look a little like assuming causation from correlation; but in the murky fog of launching a new product, it’s often the best thing we’ve got."<p>I grapple with this a lot. Often times two pieces of correlation are caused by one root causal piece you can't directly measure with usage metrics. This is a good time to get out of the building and try and interview users.