Releasing bitmapist.cohort - or how we saved over $2000/month! - amix.dkI released bitmapist a while ago and I am happy to release an extension that makes the library much more powerful! Installation and source code sudo pip install -U bitmapist Fork the code at Github. The reason why I implemented this I want to tell you why I coded this (and how we saved over $2000/month by having this library). I looked at Mixpanel's retention feature - which seems amazing. The pro
