People don&#x27;t buy TV&#x27;s that often: 5 years after release HD TV penetration was only 3%. It took 15 years to reach 81%.<p>4K TV&#x27;s aren&#x27;t going to &quot;explode&quot;, they are going to continue to be a slow trickle.<p><a href="http:&#x2F;&#x2F;www.rethinkresearch.biz&#x2F;articles&#x2F;15-years-after-launch-hdtv-penetration-hits-81-in-us-homes&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.rethinkresearch.biz&#x2F;articles&#x2F;15-years-after-launc...</a>