The Coffee Cup

Privacy filter fits over screen, so only you can see
So there you are using your laptop computer at some public venue. You may be traveling on a jet, sitting at a local coffee shop hotspot, at the library doing research, on a bus, wherever. As you’re doing whatever it is that you do at your computer, you suddenly get the feeling that your personal space is somehow being invaded. You look up and you spot him. And although he probably quickly turned …

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