Uploaded November 2016 | Updated September 2026, 2 hours ago
Individual sites have always been able to track your internet usage. However, given that ads frequently appear on sites that do not have enough information to personalize them appropriately, advertisers frequently try to track users activity across multiple sites to better personalize ad content. You may not like this web tracking, and there are ways to ask advertisers to stop doing it. On the other hand, you may appreciate seeing more relevant ads on the sites you visit.
Credits: Talking: Geoffrey Challen (Assistant Professor, Computer Science and Engineering, University at Buffalo). Producing: Greg Bunyea (Undergraduate, Computer Science and Engineering, University at Buffalo).
Part of the internet-class.org online internet course. A blue Systems Research Group (https://www.bluegroup.systems) production.
Individual sites have always been able to track your internet usage. However, given that ads frequently appear on sites that do not have enough information to personalize them appropriately, advertisers frequently try to track users activity across multiple sites to better personalize ad content. You may not like this web tracking, and there are ways to ask advertisers to stop doing it. On the other hand, you may appreciate seeing more relevant ads on the sites you visit.
Credits: Talking: Geoffrey Challen (Assistant Professor, Computer Science and Engineering, University at Buffalo). Producing: Greg Bunyea (Undergraduate, Computer Science and Engineering, University at Buffalo).
Part of the internet-class.org online internet course. A blue Systems Research Group (https://www.bluegroup.systems) production.
