IANAL, but this is not entirely true. Under GDPR data can be used by claiming "legitimate interest" [0]. In the case of legitimate interest, the user needs to o

IANAL, but this is not entirely true. Under GDPR data can be used by claiming "legitimate interest" [0]. In the case of legitimate interest, the user needs to opt-out rather than opt-in. 0: https://www.gdpreu.org/the-regulation/key-concepts/legitimate-interest/ https://www.gdpreu.org/the-regulation/key-concepts/legitimat...