To be strictly accurate - we should be talking about Blocking Trackers
... I came across this article (note if you are using an 'ad blocker' ... then guess what - they tell you that you have an 'ad blocker' on .... actually I don't use an 'ad blocker' - I use a 'tracking blocker'.

That aside, I thought I would extract some pertinent quotes from the piece and add my comments. The piece appeared in Adage and was written by Jason Jercinovic - and so all the quotes below I attribute to him.
Havas is a pretty good agency that has produced some great campaigns for Air New Zealand, Global Mental Health and Canal+ - so I kind of feel that they (should at least) know what they are doing. I'll go further. They do - but it is clear that they remain bought into the narrative of 'poor us - we have to do this [efn_note]Use Ad Trackers[/efn_note] for it to work'. They don't.
So - let's get too it ...
and no one can blame the advertising industry for rapidly adopting them.
I can!