Kuyda is the cofounder of Luka, an app that recommends restaurants and lets people to book tables through a chat interface powered by artificial intelligence. Recently it was relaunched as a number you could text to find and book a table in the Bay Area, Calif. Luka analyzes previous conversations to predict what you might like. Born in Moscow, Kudya was previously a columnist at one of Russia's biggest dalies and also founded Bribr, an app that could serruptitiously record someone if they were asking for a bribe.