Once, there were fireside chats.
9. National Security Administration (NSA): Twitter
8. Department of State: YouTube
7. Internal Revenue Service (IRS): Tumblr
6. Federal Bureau of Investigation (FBI): Twitter
5. Federal Emergency Management Agency (FEMA): Blog
4. National Aeronautics and Space Administration (NASA): Facebook
3. White House: App
2. Department of the Interior: Snapchat
1. Transportation Safety Administration (TSA): Instagram
This post was created by a member of BuzzFeed Community, where anyone can post awesome lists and creations. Learn more or post your buzz!