How ads follow you around the internet

Hint: It's why every site asks you to accept cookies. Join the Open Sourced Reporting Network: http://www.vox.com/opensourcednetwork You've seen the pop-ups: "This site uses cookies to improve your experience. Please accept cookies." Cookies do improve your experience. They function as the website's short term memory; with each new click you make, cookies help the site identify you as the same person.

Taha Hossain

Source: How ads follow you around the internet
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