Money, markets and business models for people who don't work in finance. Where the money comes from, who decides, and what the jargon is designed to hide.
A recession is a significant, widespread decline in economic activity lasting more than a few months. The two-quarters rule is a rule of thumb, not the official definition, and a committee decides after the fact.
Four business models cover almost every free app: advertising, in-app purchases, subscriptions and data. Knowing which one you are inside explains most of how the app behaves.
