Call it addition by subtraction. Ribbit Computers is preparing to launch a new-store concept, providing accessories, sales and service for mobile devices. Owner Alex Harb is finalizing plans to add three new stores in the coming months. He says he is planning to add stores at 21st Street North and Greenwich, 21st and Tyler and Pawnee and Seneca. The stores will be about 1,800 square feet and likely will feature a drive-thru, Harb says. "We're pretty much creating a new concept with the stores,"…
