A journalist recounts how he used ChatGPT to develop a fitness plan to prepare for the Paris Marathon, resulting in a 20-pound weight loss and faster race times (Derek Wallbank/Bloomberg)
THE SO WHAT
Consumer-grade ChatGPT is already functioning as a personalized coach — structured planning, accountability, and iteration are now default features available to anyone with a prompt. If your product relies on templated plans or generic guidance — fitness, nutrition, education, finance — assume the baseline user experience is now an AI copilot and build for differentiation above that line.
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