Every time you browse, you leave a trail of digital breadcrumbs. Companies...

https://www.bookmarking-keys.win/think-of-your-digital-footprint-as-the-permanent-trail-of-crumbs-you-leave

Every time you browse, you leave a trail of digital breadcrumbs. Companies collect this data to build profiles on your habits and interests. It’s how those "coincidental" ads follow you across the web