Sadly that option doesn't even exist on the Canadian site for whatever reason. I did manage to find this (https://optout.aboutads.info/?c=3&lang=en https://opt

Sadly that option doesn't even exist on the Canadian site for whatever reason. I did manage to find this (https://optout.aboutads.info/?c=3&lang=en https://optout.aboutads.info/?c=3&lang=en) which they claim to honour. I probably should be purging cookies more often :/