Twitter is getting more and more popular in South Korea.
Another Rainbow members just made their account, they want you to follow him.
They are Rainbow's rapper, No Eul, and Yoon Hye, who just turned 21 years old last week.
Ji Sook made her account a few days ago, in case there's one of you who haven't follow her, she changed her twitter ID
Means Seung Ah, and Hyun Young are the only one who haven't join twitter yet.