CUPERTINO, California, June 8 : Apple on Monday unveiled a new, AI-powered version of Siri that is capable of analyzing what is on the device screen and reaching out to the web for more information, rolling out a long-awaited overhaul of its popular voice assistant. Called "Siri AI," the software will also have its own dedicated app, Apple said at its annual Worldwide Developers Conference at its Cupertino, California, headquarters. Siri AI has what Apple called "broad world knowledge" that