Ad-free is not free from ads. If I want ads for free I won't pay extra. I would like my money back please.
Start processing refunds to customers that object to services that are not "clearly" represented. Your ad-free LIMITATIONS should be BOLD with COLOR IMPACT on the first page of the offer. You should tell us BOLDLY that we will still see ads. Yahoo refunding fees for this to those who request them will show us what kind of integrity Yahoo has, positively or negatively.

We’d like to look more into this, please send us a DM on Twitter at @YahooCare, containing your Yahoo ID and a screenshot of your experience.
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SLawrence commented
I have the screen (window) shot. I don't use twitter. When I try to get a screen or window shot, the advertising frame to the right blanks out. Before it does so, the motion from the ads is enough to say "Enough." But that is not all. The first item in my inbox used to be an ad space. It has been removed from that location. But it is not gone. Now the ad is inserted into the middle of my inbox. Interesting. So, if yahoo is not removing ads, what am I paying for you remove?