I guess, but I&#x27;d love to see some research into the effects of advertising. I know that some advertising on the web would create barriers to accessibility: <a href="http:&#x2F;&#x2F;webaim.org&#x2F;articles&#x2F;evaluatingcognitive&#x2F;#focus" rel="nofollow">http:&#x2F;&#x2F;webaim.org&#x2F;articles&#x2F;evaluatingcognitive&#x2F;#focus</a>