The following is a discussion of the 2011 US Open badge on Foursquare.
Description: Reliving your favorite US Open 5-setter on the local court? Advantage: you! Now volley over to USOpenShop.org with code “4SQBADGE15” for 15% off and a free US Open-used tennis ball (while supplies last) until 9/14. Game. Set. Check in!
