Touch doesn’t make a decision, but it sure can shape it. Researchers at Bocconi University ran a series of experiments that touches close to home. Participants were asked to hold familiar objects, sometimes even blindfolded, under the pretence of performing a simple task. Later on, they were faster to recognize those brands, more likely to recall them, and more likely to choose them, than objects they had seen but not touched. Nothing else changed. Just that innocuous touch. The explanation...