Author and journalist Cory Doctorow believes US anti-piracy legislation like the recently shelved SOPA and PIPA are just the beginning in a long war against all computing. He calls this idea "The Coming War on General Purpose Computation" and has a a lot to say about control over how people use their computers. (Runs 11:38)

• Cory Doctorow
• Cory on The Coming War on General Purpose Computation
• Full uncut version of interview with Cory Doctorow

In the wake of the SOPA protests, we talk to Byron Holland, president and CEO of CIRA, (the Canadian Internet Registration Authority), about protecting Canadians' online access in a global Internet context, and balancing copyright protection with an open Internet. (Runs 10:26)

• Byron Holland
• Canadian Internet Registration Authority

We begin with AnnaLee Saxenian, Dean of the School of Information at the University of California and author of The New Argonauts: Regional Advantage in a Global Economy. She talks about what happened in Silicon Valley to make it the world's centre of tech innovation, and how the future of growth and innovation will depend on the new Argonauts, experts who move information fluidly between creative hubs all over the world. (Runs 7:05)

• AnnaLee Saxenian
• The New Argonauts: Regional Advantage in a Global Economy

Spark contributor Jonathan Gifford brings us the story of creative convergence in Berlin, Germany - a place that people have had their eye on for the past while as being "the next Silicon Valley". (Runs 7:27)

Mark Surman, executive director of the Mozilla Foundation who has a long history in working to build open, collaborative, creative environments, talks about using the open principles of the web to create truly creative tech communities. (Runs 11:08)

• Mark Surman
• Mozilla Foundation
• Full uncut version of interview with Mark Surman