- 586 days ago by Lilit Marcus
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Do you use the social media app Foursquare? The app enables users to “check in” to places they go to and get points based on the number of times they’ve been out to how many of their friends are at the same place. However, plenty of brands are now using Foursquare to give out coupons, discount codes, or other free stuff to their customers. Tumblr user Bees Knees checked into her local Walgreen’s and got a message informing her that Walgreen’s would be donating a flu shot voucher to “someone in need” because of her checkin. More





