Reaching a Larger Group of Constituents
Social media can help fill the gap in communication during a disaster when wired communications or electricity fails.  Smartphones and other web-enabled wireless devices often allow access to information when other services fail.

Cellular networks and internet services that rely on fault-tolerant fiber-optic networks also fill gaps in regions with scattered population where news media or community notification services may be unable to get the word out efficiently.
Emergency flash flood alert after heavy downpour displayed on smartphone. Emergency Alert 1m ago. Emergency Alert. Flash flood warning this area at 3:45 PM PST. Avoid flood areas. NWS. Slide to open.