Consequently, the Wii channels that required it, online data exchange via Wii Message Board, and passive online features for certain games (the latter two of which made use of 16-digit Wii Friend Codes) have all been rendered unusable.
The Wii's essential features, including its required channels for online data exchange via the Wii Message Board, and some games' passive online capabilities (those that used 16-digit Wii Friend Codes), are no longer operational.