Think of your digital footprint as the trail of breadcrumbs you leave behind...
https://www.bookmark-xray.win/every-time-you-browse-you-leave-behind-a-trail-of-data-your-digital-footprint
Think of your digital footprint as the trail of breadcrumbs you leave behind every time you go online. Companies use these fragments to build a profile on your habits and interests. It sounds creepy, but you can reclaim some privacy