7. Downloads over 6 months with Free version - "Gross
Tract"
6. Churn rate or utilization rate from Free Downloads -
"Drops"
5. Conversion rate from Free to Subscriber (basic) -
"Uptake"
4. Lead time of conversion from Free to Pay -
"Drag"
3. Acquisition Cost
per Subscriber - "CPS"
2. Churn rate of paying Subscribers - "Money
Drops"
1. Net contribution
margin per Subscriber, post infrastructure costs - "NetCoM"
