Avatar - Shane Leschasin
Shane Leschasinadded this to
Hodgepodge
Letterlocking: the long-lost art of using paper-folding to foil snoops

Letterlocking: the long-lost art of using paper-folding to foil snoops

boingboing.net - Cory Doctorow

"Letterlocking" is a term coined by MIT Libraries conservator Jana Dambrogio after she discovered a trove of letters while spelunking in the …

View on boingboing.net