Google has announced new AI tools for online shopping, including an open commerce protocol, a retailer chat agent, and new ad formats in Search. The Universal Commerce Protocol aims to let AI systems, retailers, and payment platforms work together across the shopping process. Google is also launching Business Agent for in Search chats with retailers and adding new dat…Google has announced new AI tools for online shopping, including an open commerce protocol, a retailer chat agent, and new ad formats in Search. The Universal Commerce Protocol aims to let AI systems, retailers, and payment platforms work together across the shopping process. Google is also launching Business Agent for in Search chats with retailers and adding new dat…