Google Shutting Down Open ID 2.0, Migrating to Google+ Sign-In
Bill Hartzer
JANUARY 3, 2015
April 20, 2015: OpenID is shut down. com Domain Name. March 23, 2015: Grace period for developers using the openid_shutdown_ack parameter ends, warning is shown and auto-approval turned off for all applications. A static error page will be displayed on all requests. Make sure you have migrated well before this date.
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