AdSense is Developing a New Feature – 'Category Filtering'
Google’s contextual advertising platform, AdSense, is introducing a new feature – “Category Filtering”. This feature allows users to block any advertisements that are unrelated to what they are searching. This is done by blocking any ads that fall under a particular category such as religion or politics.
Let’s take a closer look at this feature:

This feature is currently in beta mode and is being tested by a small group, so you won’t be seeing anything at the moment unless you part of the trial group. Hopefully we will all get to enjoy the benefits before too long.