LISTEN: Should you keep money mistakenly deposited into your account?

What would you do if you learned that a sum of money not due to you had been deposited into your account? Would you keep the money, because it was obviously "meant to be" or "a gift from God" or alert your bank to the error and ensure the money got to the intended account?When a radio presenter asked his listener a similar question recently, I was appalled to hear caller after caller say they'd keep the money, with a variety of creative justifications, including "that a stupid person's loss is ...