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I really dislike ads, actually. I believe sponsored content, in its own section might be a possibility though in the future.

They could be deployed only for users who choose to see them as a means to increase their earnings.

This would work well, as long as there was a way for people like @stellabelle, who don't want to see any type of ad at all (not even the "we'll pay you to look!" banner), to opt out of anything and everything having to do with it.