What financial services can learn from the fast food industry

At the end of last year, I enjoyed a five-day break with my wife in Lisbon. Being late in the season, the holiday was relatively inexpensive, allowing us to eat out at some good restaurants. It was outside one such establishment that I was the subject of a mild rebuke from my wife. One night, as we cruised the many restaurants, she ­became irritated when I insisted on walking straight past any that displayed pictures of the food on offer. She informed me I could not assume it was a bad restaurant just because there were photos of what we could eat. Her point was that the pictures were...