マイグレーション - グラフAPI - ドキュメンテーション - 開発者向けFacebookA “gray user account” also known as a “shared login” or “business account” is a type of Facebook account that does not have a real user profile. Gray user accounts are used by some advertisers to manage multiple Facebook ad accounts, Pages or to use Facebook's APIs. Creating gray user accounts has historically been a manual and time consuming process requiring assistance from internal Facebook tea
