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 Datalogix Buys Shopper-Marketing Firm Spire to Extend Data and Market Reach With the Deal, Firm Tracking Offline Sales from Facebook, Twitter Gets More Loyalty Card Data By Jack Neff, Published on February 11, 2014 0 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.