Who said it was without their knowledge? It was clearly stated in my TOS and I even sent a newsletter about it. Also I had a (sort of) premium plan that allowe

Who said it was without their knowledge? It was clearly stated in my TOS and I even sent a newsletter about it. Also I had a (sort of) premium plan that allowed to pay a small fee (2€/month to remove the ads and get some extra featues. When I made the BTC mining experiment they still had the option to choose between the free plan (BTC mining) or paying 2€ to get it removed.