Social media have really come a long way and now travel providers are using this portal to attract social media users with great discounts, special benefits and freebies that anyone would find hard to resist. Check-ins on Facebook or Fourssquare, Instagram posts tweets and retweets are usually traded as currencies where users get loyalty points as well as discounted rates in return. The more following you do have, the more your reward is going to be. In 2012, United ran a promo offer where they bestow airline miles to Foursquare users. On the other hand, American Airlines gave a kind offering to passengers who checks in at airports by providing them airport lounge passes. For more information on this post, go to the source.
Source: News 10 ABC