I joined this steem-twitter campaign (link777) around January and it has been a wonderful experience. Asides connecting with other steemians I have grown exponentially and I want everyone who is passionate about steem to join this campaign.
you cannot promote steem on steem
People who need to know about the interesting things going on here are outside the steem ecosystem.
By using the steem hashtag your links are easy to find on Twitter.
It's a unique way of aggregating steem related posts/tweets and opinion, and possibly start a trend on Twitter.
So please use the steem hashtag when promoting your content on Twitter. Let's create the necessary buzz this platform need. Steem on!