In this week's podcast: How are financial firms making use of technology? Banks have continued to invest in IT despite the downturn. Industry analyst Martha Bennett, of Freeform Dynamics, explains some of the reasons why. And Steve Chambers, CIO of Visa Europe, discusses the challenges that come with storing 22bn pieces of information, as well as developing new payment technologies. Plus, in the first of a three-part interview, we hear from Gavin Michael, chief technology innovation officer at Accenture, on why businesses will buy IT services from the cloud.