I think the only common marketing strategy that could be impactful on Steem is billboards if certain conditions are met.
Based in the developing world or middle-income countries with stronger institutions & Rule of law. (Democratic)
Social unrest and political drama taking center stage.
With the botched COVID-19 response Bolsonaro is highly unpopular. Furthermore, Lula has just been cleared by the Supreme Court. This makes Brazil's next election a very big deal. Bolsonoro is fucking crazy.
Imagine a Steem colored billboard. Bolso vs. Lula. $$ Put a QR code that takes them right to the community discussions. (Steem has enough dedicated users that'll help prep.)
With Steem being global and all targeted opportunities should be capitalized. This is how we do it.