Quick answerAn internal Google document, leaked in 2023, became known as the 'no moat' memo. It argued that proprietary AI companies, like Google and OpenAI, lacked a sustainable competitive edge. The memo claimed open-source AI models, which were rapidly improving and becoming cheaper to run, posed the true threat. Open solutions, it suggested, were quickly catching up to closed ones, blurring the lines of advantage for industry giants.The Memo That Shook the Status QuoImagine an internal memo from a major tech company. It wasn't worried about its direct competitors, but about something far more foundational. That's exactly what happened in February 2023.A Google document, reportedly from one of its researchers, found its way into public view. Its central claim was stark: "We have no moat, and neither does OpenAI."This wasn't just casual chatter. It was a serious assessment of the AI landscape. In business, a "moat" refers to a sustainable…