The Holy Grail. Originally a title given to the cup used by Christ at the last supper, which has been much sought after but never found, this term has come to represent something extremely difficult – perhaps impossible – to find or get. For many years, marketers around the globe have been attempting to realize their own Holy Grail of ‘real-time, cross-channel marketing’, yet many have failed in this quest. Now, a marketing tool has emerged that promises to make this dream a reality: the Customer Data Platform.