I learned a lot from this pivotal labs podcast and recommend giving it a listen: http://pivotallabs.com/talks/88-demystifying-online-billing http://pivotallabs.

I learned a lot from this pivotal labs podcast and recommend giving it a listen: http://pivotallabs.com/talks/88-demystifying-online-billing http://pivotallabs.com/talks/88-demystifying-online-billing http://www.slideshare.net/Recurly/lessons-learned-in-online-billing http://www.slideshare.net/Recurly/lessons-learned-in-online-...