I made a complaint to the Advertising Standard Authority about a MyPillow advertisment that was on LBC every few minutes. My complaint was about the "special two for the price of one" offer, which I felt was their standard price, and not some sort of special offer.
And it turns out that I'm not the only one to complain.
The ASA have decided that further investigation is needed. They have written to MyPillow and asked for a response.
By the way, if you want a half price MyPillow (the standard price is £120 on Amazon) , watch out for promo codes. The normal price for a memory foam pillow is more like £25 to £30. So if you can get a half price offer, combined with two for the price of one, it becomes a reasonable price.