I see what you mean. For the time being I guess we are just trying to make a nice mail app. Hopefully in the long run we can differentiate ourselves more from the masses by determining as you said ways to show mail relevancy. We have a basic form of this at the moment in forms of the ability to filter by (Newsletters, Social, Personal, Service) but I hope we can expand it to be more useful in the future. Thanks for taking your time to get back to us, it really helps and means a lot :-)