It starts when the Back-Up Camera helps you safely reverse out of your driveway, continues through your commute with premium GPS navigation features, and does not end until the Back-Up Camera helps you park the car without damage or stress and you finally shut off the ignition.

ENGADGET: Wireless Back-Up Camera for the Magellan RoadMate checks your six

Within the app, you can record your own swing using your device's camera and replay it, including in slow motion and reverse, while drawing lines on the screen to monitor your positions, just like Johnny Miller.

WSJ: Online Golf Instruction: What Works | Golf Journal by John Paul Newport

The new standard of practice is to lock down the camera and move the action around it, instead of the reverse, which is the case in today's 2D movies.

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Using the reverse approach, Sian Bonnell, a British photographer, has photographed a jelly mould with a pinhole camera, then digitally scanned the paper negative and produced a laser print.

ECONOMIST: The daguerreotype is back