Read Cory Doctorow's summary of Edward Snowden's testimony to the EU, or follow the link in the summary to the full PDF of the testimony.

Frieze magazine asks seven artists, writers and academics - including Trevor Paglan, whose work features in our book Visualising Information for Advocacy - to reflect on the question: “Algorithms, Big Data and surveillance: what’s the response, and responsibility, of art?”

Mother Jones takes down a new book published by Economist editor Edward Lucas, “The Snowden Operation: Inside the West's Greatest Intelligence Disaster”.

(Image: Maged Helal)

The New Internationalist asks: Did non-violence fail in Egypt?

From Journalist's Resource, a collection of research papers on the effect of CCTV on public safety.

(Image: Drone Shadow 002, by James Bridle)

The Centre for the Study of the Drone interviews James Bridle, who features in the third film in Tactical Tech's Exposing the Invisible series, “Unseen War”.

Read the Centre's interview here, and watch Unseen War here. 

Britain's GCHQ has been taking stills from the video chats of Yahoo users for years - and has come across a fair amount of sexual content, new leaked documents reveal.

This article in Spiegel Online takes a deeper look inside Britain's NSA counterpart.

David Cole explores the question in light of the continually-unfolding NSA revalations, in the New York Review of books.

The head of data and analytics at free running app RunKeeper looks at what went wrong with a set of maps created using people's publicised running routes.

“As it was with the Segway, so it goes with Google Glass”, says Says Natasha Lennard in Salon.com: “An aesthetically dorky tech innovation, hailed as the Next Big Thing with purported life-changing properties, ending up primarily used by cops.”