This sounds very much like the slow adoption of the HANS Device in NASCAR. The guy who developed said he sold maybe 200 in the first ten years.<p>That all changed when Dale Earnhardt died of a basilar skull fracture, and then the drivers lined up to get them. It&#x27;s now standard equipment on all NASCAR vehicles.<p><a href="http:&#x2F;&#x2F;www.nascar.com&#x2F;en_us&#x2F;news-media&#x2F;articles&#x2F;2012&#x2F;09&#x2F;11&#x2F;ups-hans-device.html" rel="nofollow">http:&#x2F;&#x2F;www.nascar.com&#x2F;en_us&#x2F;news-media&#x2F;articles&#x2F;2012&#x2F;09&#x2F;11&#x2F;u...</a>