The document discusses how banks can leverage big data and analytics to gain a competitive advantage. It notes that banks have large volumes of untapped customer data that, if analyzed ethically and legally, can be used to increase trust, retain customers, gain more business, and build loyalty. The chief data officer of Nedbank says banks need to create foundations to securely and effectively leverage customer data to empower teams. This includes strategies for data governance, technology, and developing a data-driven culture. The chief technology officer of Absa believes big data can be used to deeply personalize services for each customer based on their individual needs using artificial intelligence.