We use this information to ensure the proper functioning and security of our Site and Application, to optimise our services to you and to better understand how our content and services are used and their effectiveness. The information collected in-store through your mobile device using these technologies also gives us aggregated and anonymous statistics about footfall traffic in our stores and information about the average gender, size, height, ethnicity and country of origin of our visitors but it is not used for, or available to, Burberry at an individual visitor level.