"The good news with unfair advantages is that you don't need one from the outset. When you are just starting out, embrace obscurity to build something valuable without calling out too much competitor attention. Identify an unfair advantage story and if one is not readily apparent, it is always better to leave the unfair advantage box blank than stuffing a weak unfair advantage as a placeholder.
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The bad news with unfair advantages is that once you get some traction, your unfair advantage will get tested -- by your competitors and copycats."
Trecho retirado de "What is an Unfair Advantage?"