"An AI agent may be capable of finding a product and preparing a purchase. Completing that task also depends on the businesses it needs to access. Axios reported that Amazon blocked Meta’s Muse on Amazon. Meta’s Connect announcement said Muse launched with access to Shopify’s catalog and announced the addition of Shop Pay and PayPal for payments. These developments expose a question: when shopping begins in an AI conversation, which business controls discovery, customer access, and the transaction?"