Silicon Valley Founder Blog Weekly Read2026/06/03 17:57:58When the Product Stops Mattering: What the Quartz Crisis Teaches AI FoundersPaul Graham's March 2026 essay "The Brand Age" traces how Swiss watchmakers survived commoditization by pivoting to brand — and argues AI founders face the same reckoning. This close-read draws startup-decision lessons from Graham and Sam Altman's April 2026 personal post.