&gt; An intriguing opportunity lies at a startup whose CEO keeps pitching me on the fact his company uses Closure, which is supposedly a hot new language? He claims Closure will provide a material competitive advantage because of potential cost savings.<p>No.<p>And I think you mean Clojure: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Clojure" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Clojure</a>