Using American Express dining credits if you hold the Platinum Card should be straightforward, but in practice many cardholders find the Amex website awkward to use when trying to locate eligible restaurants. Also, the website does have this irritating habit of freezing regularly... although that could just be me? Lists are often hard to visualise geographically, making it difficult to tell which venues are actually nearby or convenient. The Amex Platinum Card includes £200 a