You won’t see the same ad again across Instagram, and the app will tweak its algorithm to show you less of this type of promotion in the future (whether it’s for vacations, or beauty products ...

It’s going to show you ads for things you already have committed to liking and the more you interact with the advertisement the more you’re going to see of it,” explained Lewis.

Instagram will soon give you the ability to reset your algorithm. If you're seeing posts you have no interest in, this could be an opportunity to fix it.

However, YouTube changed its algorithm in October 2012 – replacing ‘view count’ with ‘watch time.’ That’s why you need to go beyond optimizing your video’s metadata.