As technologists, and as an industry, we are failing our customers by not having developed a credible alternative to SSNs. They&#x27;re only used because literally everything else is an even worse fit for access control.<p>Let&#x27;s not also forget that in year 2015, we still use <i>passwords</i> as primary access control guards. That&#x27;s technology that was invented shortly after the development of speech in humans, circa 100,000 BC.