Ye, I've seen it too, but it goes back to viewer behaviour. I could be wrong, but viewers don't use # tags in Yt. They certainly use them in Twitter and Instagram, but not Facebook nor YouTube as far as I know. But, maybe that is changing, and people are searching for videos with # tags. --- Double Post Merged, Oct 7, 2017, Original Post Date: Oct 7, 2017 --- If a channel grows big quickly, I want to know why.