Twitter + American Express = new online marketplace by Jim Townsend in Marketplace 12 Feb 2013 Twitter has just expanded its relationship with American Express – one that started with Daily Deals implementation – to kick off what might seriously rival other classified and online marketplaces. AmEx brings e-commerce to Twitter, so that folks can shop and buy products displayed on the text-focused soc This article is only available to AIM Group clients. Please subscribe now or log in to view. Share american expressDaily DealsSearchSocialStrategyTwitter Jim Townsend Jim Townsend, editorial director and a principal of the AIM Group, is a career journalist, consultant and interactive media pioneer with more than 35 years of experience in news management. Townsend joined the AIM Group in 2001 as an analyst and consultant and became a part-owner in 2003. He is based in Houston. He leads a global team of analysts who report media industry trends in North and South America, Europe, India, Asia, Australia and other countries in the Pacific Rim.