Portfolio Subscribed: Why the Subscription Model Will Be Your Company's Future - And What to Do about It

Subscribed: Why the Subscription Model Will Be Your Company's Future - and What to Do About It

The Membership Economy: Find Your Super Users, Master the Forever Transaction, and Build Recurring Revenue

Retention Point: The Single Biggest Secret to Membership and Subscription Growth for Associations, SAAS, Publishers, Digital Access, Subscription ... Membership and Subscription-Based Businesses