Online shoppers are rejoicing when it comes to customer service, it seems that online retailer Amazon has come out trumps when it comes to servicing its customers. Whether it be via Twitter, Facebook, their corporate websites, or the phone support or in person, they ranked 1-2-3 in customer interaction, according to a new research report published by market researcher Temkin Group. Temkin Experience Ratings are based on over 6,000 U.S.