Google says it is making the biggest change to its Search box in 25 years, expanding the core interface beyond typed keywords to accept images, files, video and follow-up conversation inside the main Search flow. The redesign matters because it collapses the distinction between classic Google Search, AI Overviews and AI Mode, pushing AI interaction into the default front door of Google’s most important product while raising new questions for publishers, advertisers and enterprise teams that depend on web traffic and search visibility.