What use of badges???

Question

answer me

Answer 1

just for positive feedback. it can increase your xp
don't think about badge too much. learning is more important.
for me, badge is distraction.

Answer 2

Badges and xp give a snapshot picture of what you are good at already vs. what you can improve on.
They are pretty useless for those who cheated to get them though!
☺

Answer 3

ohh ok guys I understanding
badges are motivate to learning
is correct!