Polarized sunglasses sometimes cut out advertisements displayed on screens. <a href="http:&#x2F;&#x2F;imgur.com&#x2F;doze8mP" rel="nofollow">http:&#x2F;&#x2F;imgur.com&#x2F;doze8mP</a> Maybe we can legally enforce all large public ads to be polarized so that those who wish to not see them can put on a pair of glasses.