Latest / Billion Dollar Sellers
Claude is watermarking your listing copy
Date: August 28th, 2026
Summary: Kevin King explains how Anthropic's new statistical watermark works, why it marks AI involvement rather than authorship, and what Amazon sellers should actually do about it. He also covers a price-history deadline that lands this Saturday and decides your Black Friday discount, Amazon opening its Sub Same Day network to seller bidding, and a look at where Amazon really earns its global GMV.
Key Points Discussed:
Black Friday is November 27th, and the 90-day window Amazon uses to judge holiday deals opens Saturday, August 29th — September and October pricing…
The skinny
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