How Does Online Tracking Actually Work?
Cookies are probably the best-known tracking method, even though they are becoming a little outdated as more efficient tracking techniques are developed and deployed (like fingerprinting).
Still, to understand the basic communication between you as a connected user and companies that gather your browsing behavior and app usage data, you should know how the most primitive trackers work.
This doesn’t help you sleep better, but it does make you rethink how private your online activity is.