It&#x27;s worth noting that Peter Thiel has also advanced a version of this argument (progress stagnant since 1970): <a href="http:&#x2F;&#x2F;www.technologyreview.com&#x2F;qa&#x2F;530901&#x2F;technology-stalled-in-1970&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.technologyreview.com&#x2F;qa&#x2F;530901&#x2F;technology-stalled...</a><p>along with Tyler Cowen (low hanging fruit has been picked, specifically in the US): <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;The_Great_Stagnation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;The_Great_Stagnation</a>