Voted for E medium feasibility medium impact.

Most people don't "buy" something unless one of two things happens - brand recognition and/or recommendation from a person they trust. I'd look at why people aren't already promoting Steem and solve those issues first, and then mobilize the army. Maybe another poll that asks users why or why not they mention Steem in other communities especially those where they have more influence. You could be surprised at the answers and those answers should be addressed or the effort will not be as effective as it could be.