Two people familiar with the rollout say it will start in New York City and include among its partnerships some flashy, luxury brands whose flagship stores are usually found on or around Fifth Avenue in Manhattan. Partnerships with retailers in San Francisco will be announced at the same time or soon after, another source said. It’s not clear which specific retailers and brands will be included in the initial launch. In an effort to increase its number of partners, Uber has also been in talks with software companies like Bigcommerce and Shopify, which help small businesses set up online storefronts. Uber’s thinking, according to sources, is that by integrating with these software companies, it can make its delivery option available to a large number of small brick-and-mortar stores

http://recode.net/2015/09/04/uber-to-unveil-big-e-commerce-delivery-program-with-retailers-in-the-fall/