Your Facebook activity says something about you

Facebook has been designed in such a way, that now by the virtue of your liking posts, added friends, liked pages and your social networking decisions, it can change the way you view the virtual world.

The social media complex user focus algorithm, allows the user to see mostly things that he/she likes more. It shows more material of the friends that are closer to you. Facebook predicts your liking and show you more kind of similar posts.