a16z's David George says AI's power law is becoming more extreme because dollars alone can compound a company's advantage: "Right now, clearly the power law is more extreme than it has been in the last 10 to 20 years of technology investing, probably going back to the emergence of the network effect-driven consumer companies." "Increasing returns to scale have always been a dynamic in our business... Brand reputation in the market, the accumulation of resources, all provide competitive…