New login to Twitter from iPhone

We noticed a login to your account @matjohnson from a new device. Was this you? New login Location* San Francisco, CA Device iPhone *Location is approximate based on the login's IP address. If this was you You can ignore this message. There's no need to take any action. If this wasn't you Complete these steps now to protect your account. Change your password. You'll be logged out of all your active Twitter sessions except the one you're using at this time. Review the apps that have access to your account and revoke access to any unfamiliar apps. Learn more.     How do I know an email is from Twitter? Links in this email will start with "https://" and contain "twitter.com." Your browser will also display a padlock icon to let you know a site is secure.     Help  |  Email security tips We sent this email to @matjohnson Twitter, Inc. 1355 Market Street, Suite 900 San Francisco, CA 94103