I've seen other posters promoting in their posts various communities and persons as witnesses, but what I liked (most) about your post was that you mentioned a number of other posters, mentioning what type of posts they make.

I like this idea so much, I just might use it, if you do not mind, for promoting writers, artists and others whose posts I find interesting.

If we all did so, it would make Steemit so much more interesting.