| http://www.w3.org/ns/prov#value | - Song does think Facebook???s Check-in Deals will be successful as time goes on. ???This is quite different as it allows merchants to engage consumers while they are on property for example a hotel could offer 2 for 1 drinks in the bar shortly after someone checks into the hotel or make a game of it with rewards for the most checkins during a stay (for destination resorts) rewarding guests for usin
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