Most marketplaces start off by providing a unique supply of products/services. Demand follows supply, and so the flywheel of supply and demand begins. However, as a marketplace gains popularity, its supply inevitably becomes less and less unique. I know this firsthand. At AbeBooks, our booksellers initially listed only with us,…

The Freemium Model, where a vendor offers both a free and paid version of the product, has become the de facto business model for many SaaS companies. Freemium makes general usage free, while monetizing the heaviest users through premium features. This model has proven to work well for consumer apps…