I recently saw this video about dual mining of ETH and ZIL. The video especially targets GPUs with 3-4GB of VRAM. I still have to try it, but I'm wondering: isn't ETH dagger size bigger than 4GB? How is it possible to mine it with GPUs of 3-4GB? I know about the Zombie mining but I read it will give decent results only for a very short time now. Is this the case?