I mentioned Google Ads is getting rid of youtube call-to-action overlays in January. You will still have cards and end screens. Google is introducing a new CTA extension in its place and there is an example in the article. You can see how far ahead nFusz is where anyone can place any type of CTA, anytime and anywhere in the video.

CTA will be ubiquitous in the near future in any video selling, educating, etc. The barriers in the past (to expensive, not easy) will be gone.

Google to Roll Out New Call-to-Action Extension for Video Ads
https://www.searchenginejournal.com/google-to...ds/282743/