Facebook:
- App ID
- App Secret.
- Click here: https://developers.facebook.com/apps for instructions.
Google+:
- Client ID
- Client Secret
- API Key
- Click here: https://developers.google.com/console/help/#generatingdevkeys for instructions.
Yahoo:
- Consumer Key
- Consumer Secret
- Click here: https://developer.yahoo.com/oauth/ for instructions.
Twitter:
- API Key
- API Secret
- Click here: https://dev.twitter.com/web/sign-in/implementing for instructions.
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