The following is from the October 2010 Drilling Down Newsletter. Got a question about Customer Measurement, Management, Valuation, Retention, Loyalty, Defection? Just ask your question. Also, feel free to leave a comment and I’ll reply. Want to see the answers to previous questions? Here’s the blog archive; the pre-blog newsletter archives are here. Q: I was wondering if you’ve done any work with, or given thought to, companies who have a cloud based Freemium business model? Should they be tracking usage (or anything) at the free level? Should they be tracking usage at the paid level? I’m sure......