In a recent presentation at the Real World Crypto symposium, researchers affiliated with Brown University and a startup called Pixek presented their work developing an app that encrypts photos at the moment they're taken and uploads them in encrypted form to a cloud server, in such a way that the keys remain on the user's device, meaning the service provider can't view the photos. Read the rest

Tools like Etherpad and Google Docs are transformative ways to collaborate on text (including code); I've used them in contexts as varied as making unofficial transcripts of statements at UN agencies to liveblogging conference presentations -- but they all share a weakness, which is that whomever owns the document server can see everything you're typing. Read the rest

A remarkable moment from last night's remarkable Snowden video from the Guardian. Read the rest