The document outlines 4 basic ways to generate revenue: 1) getting paid by the hour, 2) indirect revenue through advertising or commissions, 3) subscriptions with periodic payments, and 4) margins, lump sums or per usage payments. It notes that innovation can come from combining these models, like subscriptions for connected car services or premium versions of free advertising-supported services. The document encourages the reader to consider new combinations and who could pay for their service.