Who can explain to me why EXO's "Past Life" youth world has become EXO and "Information of Youth World"?

The juvenile world is the predecessor of EXO.

SM company announced the news of the new men's group on 20 10, and the name at that time was Youth World.

Later, in an interview, in the form of "one point and two ends", the two teams were temporarily named as: M 1. The second part of money supply

But after all, there are many changes from 20 10 to 20 12, including the scheduled members and airborne troops who have been replaced. In short, there are various factors. URL = ntqwwjnzv2 ar 17 rzmlfe 3 vlyn-XV 3c gzpwxlpavdzbk 9 uukwuqq 6 horscz 1 U6 eu u 447 yo9 zvdzhavp 3v _ vjz 1q