&gt; <i>Ads will never go away</i><p>Sure they could.  Look at São Paulo, for instance.<p><a href="http:&#x2F;&#x2F;www.theguardian.com&#x2F;cities&#x2F;2015&#x2F;aug&#x2F;11&#x2F;can-cities-kick-ads-ban-urban-billboards" rel="nofollow">http:&#x2F;&#x2F;www.theguardian.com&#x2F;cities&#x2F;2015&#x2F;aug&#x2F;11&#x2F;can-cities-kic...</a>