Your digital footprint is basically the trail of breadcrumbs you leave behind...

https://www.mediafire.com/file/mjcn7fh21ysv01p/pdf-51711-59966.pdf/file

Your digital footprint is basically the trail of breadcrumbs you leave behind whenever you browse, shop, or use apps. Advertisers use these pieces of your history to build a profile and target you across the web