Wondering what goes into a good offer? The Ben & Jerry's offer is widely considered a good offer. The ice cream chain offers a foursquare deal of 3 scoops of ice cream for $3 on any check in. The mayor receives an extra scoop for free. This is a good offer because

  • This is a great value for all customers. The chain also offers an extra deal for its most loyal customer, the mayor of the venue.

  • The best part is that anyone can get the deal; all they have to do is check in on foursquare.