Licensing and IP Royalties
ARM Holdings designs the chips inside almost every smartphone on earth and manufactures exactly none of them. Spun out of Acorn in 1990, it made a single strategic bet: design the processor architecture, license it to whoever wants to build the chip, and collect a royalty every time Apple, Qualcomm, or Samsung ships one. No fabs, almost no capital, extraordinary margin. By the 2020s its designs sat inside the overwhelming majority of mobile processors, and after regulators blocked Nvidia's roughly $40 billion bid, ARM went public at tens of billions. Qualcomm runs the same play on wireless patents, Dolby on audio, Disney on Mickey Mouse.
For founders and operators, this is the dream on paper: someone else handles the manufacturing, distribution, and operations while you collect a percentage of every unit sold in your sleep. The catch is that the entire model rests on whether your IP is genuinely defensible and hard to design around, because the moment large customers gain leverage they negotiate your royalty toward nothing, and a technical shift can make your patents irrelevant overnight. The one property your IP must have to stay uncopyable, and how to build it, is what the app holds back.