<div dir="ltr"><br><div class="gmail_quote"><br><div dir="ltr">Here is another interesting link about alternative kinds of passwords: <a href="http://phys.org/news/2015-12-images-codes-alternative-multiple-device.html" target="_blank">http://phys.org/news/2015-12-images-codes-alternative-multiple-device.html</a><div><br></div><div class="gmail_extra"><br></div></div>
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