What defines ‘digital culture’ and how to achieve it

The topic of ‘digital’ culture is currently en vogue. As more companies are formalising their digital-led transformations, they want to know how to ensure that change sticks. This is an effort that involves leadership and, increasingly, HR.
There is a certain consensus on company culture. Most agree it affects the ability to compete (more so than strategy, perhaps), it is difficult to change, and it is chiefly about people.
But, further than that, what is it?
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