we've been using mixpanel for our facebook apps since launch and it's helped us greatly, and our entire team loves it. even the pm understands the stats without

we've been using mixpanel for our facebook apps since launch and it's helped us greatly, and our entire team loves it. even the pm understands the stats without asking questions (which is usually not the case). understanding how a user uses the application has not only helped us figure out what features the user wants, but also which of those actually WORK (in real time). love it.