[braiamp]

> Which for people like me is a big "WAT?" What does that even mean, what are consequences, why didn't they do this earlier?

Traditional retargeting is done discriminatory. You visited a site, got enrolled in a list, etc. and they start targeting that. Ad engagement retargeting on the other hand waits until you "engage" with the ad, meaning that you have explicitly showed interest. Is another explicit vs implicit.