To extrapolate this a bit... it could be effective to ask a credit card provider a well phrased question 'how many people buy cake at 8am' and use their data-se

To extrapolate this a bit... it could be effective to ask a credit card provider a well phrased question 'how many people buy cake at 8am' and use their data-set which is probably being put into phase for this type of question now, but this feel a tangent from the original premise.