Google is reinventing the product that made it one of the richest companies in history: search. Why it matters: Search is the cash cow that funds Google's sprawling empire. But it faces an existential threat from AI chatbots, so the company is moving proactively to upend its own core business before someone else does. It's also an acknowledgment that describing what you're looking for in conversational language is a better way to find information than guessing the right keywords. Driving the