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try it;-)

It is definitively possible to engage in a conversation there, if they follow the posts there. My guess is that you'd have to get into their channel on steemchat to get into a real conversation. Question is: Which channel^^

indeed, I know that there is a channel on steemit chat called witness I believe it is possible talking to some of then in there =)

right, that witness thing. Maybe that's what they are all about -> They transmit messages and requests from the plebs to the kings;-)