You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Checking-in From a Poang Chair, Ikea Has a Good Week on Foursquare Ad Age's Exclusive Ranking of Retail Check-ins By Matt Carmichael, Published on January 03, 2011 2 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.