an impressive data visualization technique that portrays relationships using the interaction histories preserved in email archives. using the content of exchanged messages, 'themail' displays the key words that characterize one’s correspondence with an individual & how they change over the time period of the relationship.
'yearly words' (large faint words) show up in the background, whereas 'monthly words' (columns of yellow words) appear in the foreground. in many cases, keywords change sharply from a month column to the next, exposing the ever-changing nature of people’s conversations. see also email mountain.
[ibm.com (pdf)]