How To Make a Private Computer Screen

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In case the laptop privacy sweater is a little too uncomfortable for you when protecting your computing privacy in public, here's another (somewhat destructive) option. I think this is a pretty cool idea so long it doesn't become mainstream - then everyone will have the polarizing glasses and your privacy is gone again. It might also raise some awkward questions when you're going through airport security and they order you to power on your laptop to prove it works.