Customer data is the primary need for today's businesses for product personalization. How can this data be structured to derive value? If you know your customers so well, then why do you keep treating them like strangers? It’s a conundrum marketers, brands and retailers face every day – and a challenge they are desperate to solve. In its simplest form, the issue stems from the cost of messy Customer Data or rather ‘dirty data’. This fragmented data is muddling their efforts to get a clear view of who their customers actually are.