“a real-time short messaging service that works over multiple networks and devices”
- Twitter designers
You can “follow” Martha's Twitter feed and receive and reply to 140 character messages as they are posted.
“Facebook's mission is to give people the power to share and make the world more open and connected.
Millions of people use Facebook everyday to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.”
- Facebook designers
Check out the MHF photo stream on Flickr.