Start Chrome with these flags:
--enable-features=CookieDeprecationFacilitatedTesting:label/treatment_1.2/force_eligible/true
--privacy-sandbox-enrollment-overrides=https://www.ad-tags.com
on a Mac
open /Applications/Google\ Chrome.app --args --enable-features=CookieDeprecationFacilitatedTesting:label/treatment_1.2/force_eligible/true
Join interest group at https://publisherdirect.criteo.com/publishertag/examples/cdb/ig-bidding.html?buyer-ig-frame=fake%2520bidder%2520preprod&decision-script=prod&auction-type=single
Join interest group at https://www.optable.co/