Google Shutting Down Open ID 2.0, Migrating to Google+ Sign-In
Bill Hartzer
JANUARY 3, 2015
For example, they could actually identify the sites using it–and then contact the site owners using Google Webmaster Tools. April 20, 2015: OpenID is shut down. According to Google, there is no Developer Registration for Open ID 2.0, so there is no way for Google to contact web developers using Open ID 2.0.
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