Smartphone Application (image) University of Washington Share Print E-Mail Caption Visualizing the routes a person walks can help determine why the person has fewer steps on a given day of the week. Credit U of Washington Usage Restrictions Photo credit required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.