Heavy make-up or a mask will also work, as will tilting your head at a 15-degree angle, which fools the software into thinking you do not have a face, according to an online guide produced by hacktivist group Anonymous.

BBC: 'Privacy visor blocks facial recognition software'

Readers who have created the mask and photographed themselves wearing it can then submit the image digitally - where it could well end up in a Mask Gallery featured on the site.

BBC: Web link for Weakest Link

The Capitals came close in the last minute when Mike Ribeiro blasted a shot off Lundqvist's mask that staggered the Rangers netminder and the follow-up hit the crossbar.

WSJ: Backstrom, Ovechkin lead Caps to 3-2 SO win

Professors Brian Wharton and Ian Booth, from the Institutes of Child Health in London and Birmingham, warned that in people with vitamin B12 deficiency, consumption of folic acid may mask a condition called megaloblastic anaemia - which if not picked up can lead to degeneration of the spinal cord.

BBC: Caution urged over folic acid

The normal reaction would be to try to match-up the colors, hide the joints or otherwise mask the problem.

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