Technology can indisputably make watching football better — just consider the computer-generated first-down line projected on TV screens that make it all the more clear whether it's time to move the sticks. But it can also make things worse — like instant replays that overturn calls and break fans' hearts, to say nothing of disrupting the flow of the game. Good or bad, technology bent on making the game better, more fair or more fun will continue to emerge as science tries to address perceived shortcomings. Here is a sample of some things in production, being developed or in early stages of research that could alter the face of the game.
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