Twitter Alerts for SMS and push notifications during emergencies

We just saw Twitter broaden its use of push notifications for tweets it thinks you might find interesting, and the social network is now also expanding their use for a more serious matter. The company has just announced a new Twitter Alerts feature, which it says will deliver "accurate information from credible organizations" during an emergency or natural disaster. To ensure you don't miss them, those alerts will be delivered via SMS in addition to a push notification on Android or iOS, and you won't be getting notifications from.........more news via link