https://www.cnbc.com/2018/02/21/uber-express-pool-offers-big-discounts-for-a-short-walk.html >The latest variation of an Uber ride will require a short walk. >In eight U.S. cities, the ride-hailing company is rolling out a service called "Express Pool," which links riders in the same area who want to travel to similar destinations. Once linked, riders would need to walk a couple of blocks to be picked up at a common location. They also would be dropped off at a site that would be a short walk from their final destinations.