&gt; No the key part is what target audience and use-cases are they optimizing for with each device.<p>What if, as in the URL example I gave, there are multiple overlapping target audiences?<p>Of course you optimize the common case. The question is whether in the process you&#x27;re going to decide to ignore or eliminate discoverability in less common cases. Don&#x27;t use &quot;audience&quot; as an excuse to be lazy about them.<p>And both mobile and desktop are general computing devices with a wide range of abilities. Deciding mobile is the PlaySkool version is itself an oversimplification.<p>&gt; Apple&#x27;s felicitous focus on simplicity and Customer use-cases that&#x27;s what&#x27;s made them the most successful company in the world<p>One can learn a lot from their success. It hasn&#x27;t them perfect. They still make some poor or even user-hostile decisions.<p>Their success does, however, seem to render some people less inclined to think critically about their choices.