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"Print advertising may be a bit pass\u00E9 as a medium, but that doesn't mean that clever advertisers can't have some fun within the confines of a declining channel of communication. \nAt least you could make the case that Ford and Israeli ad agency BBR Saatchi &amp; Saatchi are still experimenting with the form. In this ad, the agency and client tap an optical illusion that's more than 100 years old to create an \"interactive\" print ad. \nSee also: OK Go's Mind-Boggling Music Video Is a Trove of Optical Illusions\nTry it yourself. If you stare at the black dot in the third car on the right for 30 seconds or more then your eyes will create a black car that you can \"park\" between the other two.\nHow is this possible? The visual appears to be a riff on the Hermann Grid Illusion, in which the eye creates small grey blobs on the corner of each black square:\n\nHave something to add to this story? Share it in the comments."^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2014/07/25/ford-print-ad-optical-illusion/>