FB Marketplace tops $100B GMV; AI agent-run negotiations could take a cut

TweetEdMiller · x · 2026-09-13

An investor on X estimates items sold on Facebook Marketplace exceed $100B annually — far bigger than eBay — with messaging and haggling being the most painful part. He argues that when negotiations run through Meta's AI assistant Muse, which would earn a percentage, the impact would be dramatic. Personal speculation, not an official plan.

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