The fact that people disagree on the definition of "startup" isn't a sign of confusion. Rather, it reflects the fact that there are genuine differences between

The fact that people disagree on the definition of "startup" isn't a sign of confusion. Rather, it reflects the fact that there are genuine differences between people in our industry about how to develop new business models, and how to define success. Graham has articulated one side of that debate with his essay, but calling it an explanation is disingenuous.