What happens when a fake product reveals a real need? Every April 1, brands invent ridiculous products. If you got up wondering who would ever buy the Matcha Mayo Heinz revealed a few hours ago, there you go. Most, like Matcha Mayo, will disappear by the next day. (Hopefully.) But sometimes, on rare occasions, the reaction is different. People say something surprising to the brand: “Hold on … I’d actually BUY that.” A few years ago, Nvidia joked about an AI assistant that would help gamers...