WSJ's Joanna Stern "bumps into" Tony Xu, CEO of DoorDash. The two discuss DoorDash's controversial tipping-policy change, the future of app delivery, and whether or not a hangry emoji needs to happen (and what it should look like). Photo: Andria Chamberlin for The Wall Street Journal
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a. Listen to Rumiko answering questions 2-6 from the interviews. Do you think food for her is fuel or pleasure? Why? b. Listen...
