This graphic visualizes the PersianKiwi channel on Twitter, mostly #Iranelection, in which many of the words describe the reliability of the information — a careful person. Good.
The technology is Many Eyes, an IBM project. You can join the Topic Center discussion area “The #Iranelection channel in Twitter” if you join Many Eyes.
Here is an interesting visualization of the channels content that begins with the word “confirmed” — which the PersianKiwi source is careful to include.