My point is exactly that: they can and are doing it (using first party cookies through CNAME redirects to correlate your identity across multiple independent sites in order to sell a data product to more than just the first party). For an example, see Criteo.
> I think the most prominent objection to 3rd party cookies is they allow systematic tracking.
And now first party cookies are starting to be used for that too. It's not that important how you specifically want to phrase the general ickiness of third party cookies.
My point is exactly that: they can and are doing it (using first party cookies through CNAME redirects to correlate your identity across multiple independent sites in order to sell a data product to more than just the first party). For an example, see Criteo.
> I think the most prominent objection to 3rd party cookies is they allow systematic tracking.
And now first party cookies are starting to be used for that too. It's not that important how you specifically want to phrase the general ickiness of third party cookies.