Freemium Economics: Leveraging Analytics and User Segmentation to Drive Revenue (The Savvy Manager's Guides)
"Seufert's book provides extensive guidance on analyzing the data generated by a freemium product to boost retention and drive revenue. By collecting and deploying analytics on large amounts of data generated by users of the product, through all stages of development and usage, the author explains how you can optimize your implementation of the freemium model."--Data and Technology Today,May 27, 2014