The hermeticism of posting disease is exactly its appeal. The difficulty of describing a single event online without offering detailed case histories, associated subcultures and rap sheets, and beyond that the meta of the platform: the valences of blocking vs. soft blocking vs. muting, DMs vs. mentions vs. subtweets, going private vs. deactivating vs. suspension, these uncodifed cues and tacit slights spawning an infinity of faux pas. This was salon culture, blue checkmark as painted birthmark.