Eric Fulmer

“There are patents, but they aren’t the crucial thing,” he replies. “The heart of the Cisco router is firmware—software burned into read-only memory or implemented in programmable arrays. Cisco’s product embodies, perhaps, one hundred thousand lines of code that is very skillfully written. It was created by a very small team—maybe two to five people. That chunk”
― Richard P. Rumelt, Good Strategy Bad Strategy: The Difference and Why It Matters