The Unprintable WWF Document Format

This is actually pretty fascinating… being able to keep some control over how your digital documents are used, long after it seems it’s entirely in the recipient’s hands…

“The World Wildlife Federation has launched a new file format similar to the popular Portable Document Format (PDF), except for one interesting catch: the file cannot be printed.

The WWF file format was created as a gesture of defiance against unnecessary usage of paper in a variety of settings, most notably the office workplace and the university. It is currently available only for the Mac, but a Windows version is coming soon.

Save as WWF  [via Lifehacker]”