This is one of the stuff that I have in my bookmark library that seems most relevant: http://blog.recurly.com/2010/01/lessons-learned-in-online-subscription-bi

This is one of the stuff that I have in my bookmark library that seems most relevant: http://blog.recurly.com/2010/01/lessons-learned-in-online-subscription-billing/ http://blog.recurly.com/2010/01/lessons-learned-in-online-su...