translation.en: It was an ability to kind of walk up close to somebody and have a more private conversation, but it wasn't instant messaging because you had to sort of befriend somebody.
translation.zh: 这是一种走近某人并且跟他进行 更为私人的谈话的功能 但是这并不是即时通讯，因为你必须要跟别人先交朋友