This Star Mark ads show off according to your blog popularity and impression. They are now highlighting the Featured Advertisement with a Golden Star mark and when you hover your mouse over that star it will be showing "Featured Ads".
Know what the Google adsense team told in the confirmation of these featured ads as :
We are currently running a limited test in which a small number of users are seeing ads that are marked based on signals related to quality and relevance. This experiment is part of our ongoing efforts to help users find what they’re looking for, and we’re closely monitoring feedback.
What do you think of this feature of Adsense? Will it be helpful to the small publisher?
Its quite difficult to say now about the merits and the Demerits of this feature till it launches but will informing you more about it.
