@cnbci: Google announced a bold move that has some big implications for advertisers and the future of the internet. The U.S. internet giant said last week it is reversing a long-planned move to ditch third-party cookies — the critical text files that track users’ web activity for advertisers. But what are cookies, exactly? And what does Google’s decision mean for how you interact with the web moving forward — or, for that matter the advertising industry? CNBC's Ryan Browne runs through what you need to know. You can read his full article at the link in bio.