I have 22k YouTube subs and I tell them to join steemit on the regular. I get messages like this one I just got yesterday all the time from random people.

https://steemit.com/katyperry/@titusfrost/pizzagate-update-katy-perry-music-video-bon-apetite-analyzed-spirit-cooking-cannabilism#@sportsncoffee/re-titusfrost-pizzagate-update-katy-perry-music-video-bon-apetite-analyzed-spirit-cooking-cannabilism-20170515t182527041z