CNN  —  OpenAI on Thursday announced a new feature for ChatGPT that allows the popular chatbot to execute actions on a user’s behalf. It’s part of an industry-wide push to change the way people get things done on the Internet: Tech giants hope that instead of bouncing between apps and manually searching the web, users might be able to one day rely on agents to do it all. ChatGPT’s new agent mode, which begins rolling out immediately, is another sign that tech giants are doubling down on digital