PERSON identity: canonicalizeEmail plus, for Gmail, removal of the +tag. Addresses sharing a base belong to one human, so they group in the UI and count as "me" for self-exclusion — but they remain separate rows.
+tag
PERSON identity: canonicalizeEmail plus, for Gmail, removal of the
+tag. Addresses sharing a base belong to one human, so they group in the UI and count as "me" for self-exclusion — but they remain separate rows.