Instacart says it has added Mariano's, an upscale grocer owned by Roundy's Supermarkets, to participating stores in Chicago. The grocery-delivery company also has expanded service to Sunnyvale, Redwood City and Los Altos, Calif. Instacart has taken off since launching in 2012, offering customers the ability to combine items from stores including Costco Wholesale, Whole Foods Market and Safeway into one list, which is handled by a personal shopper and delivered within two hours.

Related Summaries