I would suspect that messaging infrastructure like Gmail, Yahoo Mail, Skype, AIM, and so on, all have very high "DAU to MAU ratios". Either you're on them or yo

I would suspect that messaging infrastructure like Gmail, Yahoo Mail, Skype, AIM, and so on, all have very high "DAU to MAU ratios". Either you're on them or you're not, and if you are, you need to check it. But I'm not sure how these numbers are really comparable to another type of site.