It's the biggest thing for the banks since the invention of paper money. No longer are banks the old-fashioned institutions of yesterday. They're changing faster than their customers realise. But is this what the customers really want? And as banks get more powerful, will they always operate in the national interest? At a time when the banks are under scrutiny Brian Widlake talks with bankers - and their customers - about the banking revolution.
With Paul Griffiths and Robert McKenzie