Core Viewpoint - Perplexity AI has accused Amazon of "bullying" after receiving a legal threat demanding the cessation of its AI browser Comet's ability to facilitate purchases on Amazon [1][2]. Group 1: Company Actions - Perplexity AI's Comet Assistant allows users to find items and make purchases on Amazon, which users reportedly enjoy [2]. - Amazon has taken measures to prevent external AI agents, including those from OpenAI, Google, and Meta, from crawling its website [2]. Group 2: Company Statements - Perplexity AI criticized Amazon for prioritizing ad revenue and upselling tactics over enhancing customer shopping experiences, suggesting that easier shopping could lead to more transactions and satisfied customers [3].