Perplexity AI logo is seen in this illustration taken January 4, 2024. REUTERS/Dado Ruvic/Illustration/File Photo Purchase Licensing Rights, opens new tabAug 4 (Reuters) - A U.S. appeals court on Tuesday overturned a ruling that had temporarily barred Perplexity from using its AI-powered agentic shopping tools ​on Amazon's (AMZN.O), opens new tab platform.In a novel legal dispute, the San Francisco-based 9th U.S. Circuit ‌Court of Appeals determined, opens new tab that Amazon was unlikely to suc...