Interesting that #Google specifically don’t want hashed #PII whilst #Facebook actively seek it for #AdvancedMatching https://developers.facebook.com/ads/blog/post/2016/05/31/advanced-matching-pixel/
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You can wipe out #PII with some #GTM / #GoogleTagManager wizardry using the tips here: https://www.upbuild.io/gtm/ https://t.co/o5schXtsfw