It's for the secret chat room

pu1. I know. I don't really understand either. It's the same if we talk in a secret chat room

2017-12-23

OK

pu2. From what I heard, if you talk in a normal chat window, the conversation is saved on the Kakaotalk server. So, if the person in charge of the Kakao Talk server can see the contents, and if you talk in secret chat mode, the conversation is only stored on the cell phone, so other people, including the person in charge of the server, can'

2017-12-23

OK

pu3. http://www.zdnet.co.kr/news/news_view.asp?artice_i...
Kakao Talk, which has become more secretive, cannot even be opened by secret chat managers. I think we can read this.

2017-12-23

OK