Twitter has introduced third-party login support, letting users create accounts and log in to the social network with their Apple or Google accounts (via 9to5Mac). Currently, there doesn’t appear to be a way to link your Apple or Google account to an existing Twitter account, so third-party login is (at least for the moment) limited to accounts created using the feature.
The feature reportedly showed up in the Twitter beta last month, but now it appears to be more widely available. I was able to set up a Twitter account using my Apple account, and the process was like a more streamlined version of the regular signup process — there were no emails or passwords to deal with, and when signing in with Google, it even brought over the profile…