I've only used that function once for a video that someone made to promote steem - @lloyddavis had one of the lines in the video, but I can't remember the title. I don't think either the video-maker or me got any benefit, which was a bit sad.
I think researching tags might be a better way of finding an audience or entering some of the contests or challenges. For example @steevc posted a challenge about desert island books you write your post, put a link in a comment on his post and join in the conversation (just two days left for that challenge).
@mariannewest does a daily #freewrite post which is quite good fun and has a lot of people taking part. I like #marketfriday hosted by @dswigle and I saw today #wednesdaywalk. If you like beer, there's #beersaturday; or metal, there's #metalweekend. Those are just off the top of my head, I'm sure there's lots more. It's a good way to connect with others, and then you start to move off along your own path(s). Hope that helps 😎
Edit: oops, forgot #openmic.