How to create a profitable Freemium startup (spreadsheet model included!)
andrewchenblog.com
JANUARY 28, 2010
For freemium businesses, particularly ones that are social apps, there’s often a word of mouth or viral component, which we’ll cover in a second. CPM/CPA/CPC) What do the intermediate metrics look like? At a high level, here are some of the things you’ll want to track: How are you paying for traffic?
51 
Let's personalize your content