It's not even that deep. 2019 is when 1/3 of US

It's not even that deep.

2019 is when 1/3 of US households will have 4k/UHD in their homes.

One-third of US households will have 4K TVs by 2019 (so where’s our 4K support on the Apple TV)
https://www.appleworld.today/blog/2015/12/10/...e-apple-tv

One-Third of US Households Will Have 4K TVs in 2019, IHS Says
https://technology.ihs.com/553309/one-third-o...9-ihs-says

IHS: One-Third of U.S. Homes Will Have 4K TVs in 2019
http://www.broadcastingcable.com/news/technol...019/146355

IHS: U.S. 4KTV Household Penetration to Reach 34% by 2019
http://www.homemediamagazine.com/hdtv/ihs-us-...2019-37196

U.S 4K TV Penetration To Hit 35% in 2019
http://www.twice.com/news/statistics/us-4k-tv...2019/59741

IHS: 4K TV Penetration to reach 34% by 2019
http://www.digital-digest.com/news-64293-IHS-...-2019.html

More Than Half of All Households in Japan, US and Europe Will Have Smart TVs by 2019
http://news.ihsmarkit.com/press-release/more-...t-tvs-2019

If that sounds like 50 years to you, you're short term, not long term.