Amex's incentives, WeWork's woes, Slack slumps - plus the Jenner/Kardashian empire grows

American Express offers businesses big bucks to take the card, WeWork may have trouble in New York state, Slack plummets as its competition with Microsoft heats up, DoorDash's tipping practices have them in legal hot water -- plus, Kris Jenner weighs in on the multi-billion dollar Jenner/Kardashian empire. Seema Mody, Bill Griffeth and Leslie Picker join Andrew Ross Sorkin on Rapid Fire!
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Tue, Nov 19 20192:24 PM EST