Computers Wrote the Caption for This Photograph, and Changed Everything

Computers at Google now have a machine-learning system that can analyze images like the one above and generate captions for them. The phrase used to caption this image? "A person riding a motorcycle on a dirt road." It might not seem like much, but it's actually one hell of an accomplishment. » 11/24/14 11:09am Monday 11:09am

This lecture is the one primer you need on NSA surveillance technology

We know that the NSA has been monitoring millions of calls made in the United States. But what are they doing with that data? And how do they analyze it? Find out everything you need to know in this incredible lecture from Princeton computer science professor and government technology adviser Ed Felten. » 2/28/14 5:05pm 2/28/14 5:05pm

Watch the subversive version of spy tech conference RSA

Right now, downtown San Francisco is teeming with people attending RSA, the world's biggest conference devoted to "cybersecurity." But up the street, there's another tech conference. It's full of computer security analysts who want to stop the surveillance state. It's called Trustycon, and you can watch it here, live. » 2/27/14 9:20am 2/27/14 9:20am