Amazon.com, Inc., is an American multinational technology company based in Seattle, Washington, that focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence.
Uber offers peer-to-peer ridesharing, ride service hailing, food delivery, and a micromobility system with electric bikes and scooters. The company is based in San Francisco and has operations in over 785 metropolitan areas worldwide.
Postmates is an American company that employs couriers to deliver goods locally. As of February 2019, Postmates operates in 2,940 U.S. cities. The service relies on mobile phone applications and their Global Positioning System capabilities to match inventories and consumer demand.