Technology and the Game NFL Football Operations
Upon Further Review: The NFL's Replay Review — Review Party Dot Com
Art McNally GameDay Central
Play it again: NFL fans get 360-degree instant replay: Digital Photography Review
Has The NFL's Instant Replay Run Its Course?
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The Invention of Instant Replay Lemelson Center for the Study of Invention and Innovation
The CFL has figured instant replay out. How long until the NFL and CFB follow suit? - Footballscoop
NFL makes pass-interference calls (and noncalls) reviewable - Los Angeles Times
How the NFL plans to overhaul instant replay in 2020, and who could oversee the transition