According to the items you search, next time you will receive the similar categories. Your browser and some other news apps will inform you some news that you are probaly interested in. All those things you got are on the base of algorithm caculated via the AI. So you are in the world of something you like. And your friends have something they like too. They receive information of their hobbies. That means you may have news of football, while your friends have fashion designs.
You may envy those beautiful moments shared from your friends in the Wechat. They seem to be happy and full in their life. While in the opposite, they may suffer something which they never want to tell you. You only focus on the superficiality of their sharing.
You may be spending much time to observe charming guys. They are handsome and cool. Maybe they have some defects that you never notice. And they never tell you of their unhappiness.
Most things you see do not mean what they really are. You have to sharpen eyes among the dusty world.