&gt; Is this still a relevant skill-set to be good at these days?<p>Yes it is! There&#x27;s even a video<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=DZCm2QQZVYk&amp;t=35s" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=DZCm2QQZVYk&amp;t=35s</a><p>&quot;The greatest shortcoming of the human race is our inability to understand the exponential function.&quot;