There may not be enough time left before Christmas to knit one yourself but there might still be time to order one with express delivery — if only we could tell you where to order it from. Nevertheless…

On news that the next version of the Firefox Web browser will have a ‘private browsing’ feature, someone has come up with a retro-tech device that you can easily retro-fit to your existing browser, regardless of ‘make or model’.

Okay… This is a different kind of ‘private browsing’ than Firefox is fixing to offer. But we think many users may deem it more important to protect their public-place portable computing activities from shoulder surfers and other snoops than to conceal what and where they’ve been browsing.

Perceptive readers will, by now, have realized that any large, over-sized or fatally-stretched-out sweater with a suitable neckline can be used as a private browser device. Just put it on ‘inside out’ and push up the sleeves…

Note: The photo above, snagged by researcher Erin Nichols while browsing aimlessly this past weekend, comes with no provenance nor context. (If anyone knows to whom it should be credited, please let us know!) We just couldn’t resist sharing it with you…