The calculation of the "paid-app" to "free-app" downloads is clearly flawed; This ratio would be higher if the application was offered at 99 cents when its pop

The calculation of the "paid-app" to "free-app" downloads is clearly flawed; This ratio would be higher if the application was offered at 99 cents when its popularity was still on the rise. They tried setting a price long after popularity had reached its peak. Still an informative article though.