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Declan Curry looks at data this week as he's joined by Charlotte Hogg, MD of Experian, and Steph goes on the beat with the police responsible for protecting us from credit card fraud.

Entrepreneur Jason Trost from Smarkets tells us how he protects his users' data and Nick Fletcher from The Guardian talks trade.

The ever patient language teacher Iris Cai is in the studio to continue with Declan's Mandarin lessons and business doctor Allyson Stewart-Allen takes listener questions on marketing.