Some developers implementing Google+ logins on their websites are now seeing an option to add a “sign in with Google” button, according to people who The Verge has spoken with.

Google introduced a new sign-in button for Google+ today that developers can add to their website or mobile app. If you've activated your Google+ account, this means you'll be able to log in to ...

Google’s login chief is surprisingly sunny about competing with Apple’s new single sign-on (SSO) button, as long as it means fewer passwords.

You’ve probably seen it on lots of apps and websites: buttons urging you to sign in with your Google or Facebook account. Sometimes it’s to let you share files, photos or emails.