ComputerWorld has a story about KnujOn's report on the top ten spam-friendly domain registrars. This is normal public relations, do research, issue a report and alert the press. Just solid, basic PR, good but not brilliant.
I discovered the brilliant part when I went to the KnujOn's website. They are asking visitors to send them their spam. This gives them a list of prospects for their premium services along with the raw data for future research on spam. Well done KnujOn. File this under the Department of I wish I had thought of this myself.