Facebook is updating its ad algorithms to give users more say about what kinds of ads they see in their news feeds. In practice, this means that users who've closed out multiple ads in the same category - for example, ads for mobile app installs -- by clicking "hide" should see fewer of those ads going forward. Meanwhile, the fact that a user has liked or otherwise interacted with multiple ads in a category - for example, movies - makes it more likely for them to see a greater frequency of movie ads. "That means people should see ads that are more relevant to them, and fewer ads that they might not be interested in," according to a Facebook blog post. Get the full story at Advertising Age and Facebook