Eye Tracking in the Aisle

In the WSJ:  Continued advanced usage of eye tracking to understand the shopping consumer.    Some very interesting detail is included in this article.   " ....  companies likeProcter & Gamble Co.,Unilever PLC and Kimberly-Clark are combining three-dimensional computer simulations of product designs and store layouts with eye-tracking technology. And that, in turn, is helping them roll out new products faster and come up with designs and shelf layouts that boost sales ... "