The Apple iPhone 4 antenna issues have been dominating press reports for weeks now and Apple stated a while ago that they were going to give away bumper cases for nothing and to offer refunds to customers.
They have stuck to their word and have begun processing refunds for the iPhone 4 bumper cases to their online Apple Store orders. Back ordered bumper case orders are also being processed for a refund. This is going to continue over the weekend and into next week.
KitGuru says: At least this is giving reassurances to long term customers that even in the event of a problem, Apple will try to make amends