&gt;&gt; &quot;Billboards do not track.&quot;<p>A competently-designed out of home ad setup will probably at least make an attempt to track its audience, often by doing some sort of telemetry to your smartphone or by literally photographing you as you pass by. [0-1] I don&#x27;t work for these outfits but a lot of people erroneously believe the &quot;billboards don&#x27;t track&quot; claim.<p>[0] <a href="http:&#x2F;&#x2F;web.admobilize.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;web.admobilize.com&#x2F;</a>
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