A quote from their blog site: From Yahoo!'s viewpoint, any kind of signed-in individual engaging with Yahoo! solutions is a valued customer, whether she validates making use of a Yahoo!, Facebook, or Google ID.
Yahoo Sign In With Facebook
Login to Yahoo Mail account on PC/Desktop computer
First you require a username as well as password; currently open internet internet browser from your computer/desktop. Then open page www.yahoomail.com on it. To initiate their brand-new "one-click" sign-in merely click on the "Sign in with: Facebook" icon on the Yahoo! login display. That's all you need; to get access of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer
If you are a user of Mac computer then Safari must be your web internet browser. Safari is the best surfing service for Mac OS; Safari fasts, faster as well as easy to use web browser. You can easily access your Yahoo Mail account with it. See, how you can login with Yahoo mail account on Safari internet browser. Merely open Safari and also kind www.yahoomail.com; you will certainly be routed to Yahoo mail sign-in page. To initiate their brand-new "one-click" sign-in just click the "Sign in with: Facebook". You are then totally signed right into Yahoo!
However, a word to the wise- you still will not be able to sign right into a mobile or desktop customer using Google OpenID.
I hope this write-up could assist you. Thank you ...