3 ms·How to accept OpenID in a popup without leaving the page4 points by arjunb 18y agoarjunb 18y agocheck out this demo too: http://openid-demo.appspot.com/ http://openid-demo.appspot.com/CalmQuiet 18y agoVery helpful description of the overall strategy employed - along with details for implementation in iframe, and lots of implications for cURL, etc.