The only example of that I can remember was "HD sunglasses" but I don't recall that ever being a widespread fad. I only saw people ever joke about that. HD as

The only example of that I can remember was "HD sunglasses" but I don't recall that ever being a widespread fad. I only saw people ever joke about that. HD as far as I ever saw it used generally referred to 720p and soon after 1080p. Which is a pretty objective, non-marketing definition. And the timeframe of 2015-2020 seems way off. 1080p was pretty standard by like 2010. YouTube started streaming 4K in 2010.