Revenue per employee is an interesting performance metric although not usually applied to growth companies. Twitter&#x27;s was growing fast relative to other big public tech firms but still much lower than most.<p><a href="http:&#x2F;&#x2F;www.businessinsider.com&#x2F;revenue-per-employee-charts-are-a-fascinating-way-to-judge-the-health-of-tech-companies-2015-4" rel="nofollow">http:&#x2F;&#x2F;www.businessinsider.com&#x2F;revenue-per-employee-charts-a...</a>