Why Google banned brainteasers from their interview process

How many piano tuners are there in the city of Chicago? As recently as a couple of years ago, knowing how to approach a brainteaser like this might have helped land you a job at Google. The company used to pose stumpers like this in a lot of their interviews, but the practice was recently banned. In a recent interview… » 6/25/13 3:30pm 6/25/13 3:30pm