Uploaded December 2016 | Updated September 2026, 3 hours ago

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You asked, so now we’ll explain how the video tracker built into this website works. It’s actually a nice example of what you can do with JavaScript and simple external interfaces.

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.