3 ms·
I'm not the parent poster, but I suspect here 'optional tracking' is taken to imply that they should not serve a 'Sorry we have no content to serve you, because
by jimsmart 8y ago
I'm not the parent poster, but I suspect here 'optional tracking' is taken to imply that they should not serve a 'Sorry we have no content to serve you, because you have not opted-in to our tracking' page, but should instead serve the content minus the tracking when one doesn't opt-in.