Why do people near QQ have many signatures to be praised by others? What's the use of praising each other, asking for praise and asking for praise? What is their psychology?

Brush praise on QQ business cards is to increase popularity and enhance the interaction between friends. After receiving praise, it is equivalent to an increase in popularity.

On mobile QQ business cards, many people are keen to praise each other. The more likes displayed on QQ business cards, the higher the popularity. Some people don't think so, and want to make their QQ business cards more personalized.

To sum up, I just want to brag to others and feel that I am very popular. It's no use!