Ads not only need to be relevant to me. They also have to be presented to me only when I am interested in the category of the advertised product or service. Oth

Ads not only need to be relevant to me. They also have to be presented to me only when I am interested in the category of the advertised product or service. Otherwise they're just spam. (Consider the typical "you just bought a new fridge, so let's show you ads of fridges".)