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Which Chrome API or other Google API is Pinterest exploiting here to detect visitor email addresses?

"Use pinterest.com with Google"

enter image description here

William Entriken
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  • https://stackoverflow.com/questions/8256083/how-does-the-facebook-like-button-work https://stackoverflow.com/questions/2954888/how-to-make-a-facebook-like-button-that-is-just-a-link-not-an-iframe – Josh Lee Jan 10 '19 at 11:54
  • https://developers.google.com/identity/one-tap/web/overview suggests the [tag:google-identity] tag for "One tap sign-in". – Josh Lee Jan 10 '19 at 11:57
  • So basically if I am seeing this thing with my face it means my ad-blocker, tracking-blocker isn't work... – William Entriken Feb 11 '22 at 21:11

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I believe this is Google Identities "One-tap sign-up" feature.

With Google's one tap sign-up and automatic sign-in APIs, new users can sign up to your site with just one tap on a dialog that's inline with your page's content. Returning users are signed in automatically, even when they switch devices or platforms, or after their session expires. - Google Identity case studies

It seems that this is currently a beta API feature which they are currently improving cross-browser functionality.

JGreatorex
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