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2. Nielsen HoldingsThe Mobile Consumer: A global snapshot February 201320132015-11-30Nielsen Holdingshttp://www.nielsen.com/us/en/search.html?q=The+Mobile+Consumer%3A+A+global+snapshot&q1=Report&sp_cs=UTF-8&view=xml&x1=contenttypetag&i=1&
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5. Behavior Change Interventions Delivered by Mobile Telephone Short-Message Service