The Best and Worst Customer Service

Why are some companies champs when it comes to providing customer service and others, well, chumps? We've created this forum to encourage readers to share their most recent customer service experiences—good or bad. And if your experience wasn't good, tell us how you resolved the situation. So join in and click on "Action" to leave a message. Please note that BusinessWeek does not take responsibility for answers or comments from message board users not employed or authorized by BusinessWeek.