Meta & Children's Online SafetyMeta terminology
CWB
Central Well-being
Meta's central well-being organisation, distinct from the per-app teams at Instagram and Facebook. The source document records it blocking Instagram's appearance-comparison metric work - "Central Well-being (CWB) believes that the risks associated with continuing this sensitive-topic metric development outweigh the benefits".
Sources
Internal documentUnsealed internal messages ("these appearance comparisons are made much more frequently on IG vs competitors (including FB)")
Internal documentInstagram Appearance Comparison Decision - A/C PrivUndated