RT @scspenceribm: WSJ.com - Retailers Spend to Get Ahead on Mobile Shoppers ... IBM's Jil Puleri provides insight: http://on.wsj.com/a8GxRJ
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RT @scspenceribm: WSJ.com - Retailers Spend to Get Ahead on Mobile Shoppers ... IBM's Jil Puleri provides insight: http://on.wsj.com/a8GxRJ