Stamps.com Announces USPS Shipping Integration With ProStores

EL SEGUNDO, CA — (Marketwired) — 08/22/13 — Stamps.com® (NASDAQ: STMP), the leading provider of USPS and to over 450,000 customers, today announced its new USPS shipping integration with ProStores, an e-commerce platform that enables small businesses to sell products and services online from their own websites. ProStores is a unit of eBay Inc.This new integration offers ProStores customers an effective new method for order fulfillment. With Stamps.com, customers can automatically impor