Maybe you don’t mind the ads for that bicycle rack following you around in cyberspace after you visited a site for all things bike, but browser trackers (“cookies”) also create a profile of you that gets sold to other advertisers and third parties.
Are you doomed to be stalked forever by bike ads? This is caused by third-party cookies. You can use third party software such as CCleaner, which can identify third-party cookies and clean out the cookies in your hard drive. It’s the third-party cookie