no ads
Steem do not have ads. Steemit has.
But actually, I would say, that ads appeared on whole Steem network, when people started selling votes. If someone will pay $200 to buy votes and to put some content in front of my eyes on trending page... then this is an ad.
It depends on how you define what an ad is. I guess that in this case Steemit are talking about selling ad space in a form of marketing campaigns. These could be targeted to content and profiled.
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