27. Check-in Check-in Check-in Facebook Account : Your Wall Your Friends News Feed Foursquare Account: Your Check-ins Your Friends Twitter Account : Your Tweets Your Followers Twitter and Facebook
48. Offering 20% off in some products Giving blue jeans to the first 10,000 customers to claim their deal by a check-in. Donating $1 per guest to Conservation International Facebook Deals : Some Brands