Jamillah talks to Emmanuel Goldstein of 2600 about the word hacker and what it really means. Tony Page describes social networking for older folk and Josh Russell has an advent calendar full of digital anecdotes and tips.

This week Jamillah and Chris Vallance tease out the strands of the wikileaks story so far and chat with experts on the real meaning of cyber war and the future of leaked documents. Oh - and there's a great song about maths too.

Jamillah explores the text based world with a documentary maker, searches the voicemail inbox of the web and finds out more about the characters within her operating system.

How green is your computer and how can you find out? What's the secret of the Laughing Squid and how can you get across Britain for free? All these questions and more on this week's edition.

Jamillah chats to the founding executive editor of Wired magazine, and a former editor/publisher of the Whole Earth Catalogue; Kevin Kelly about his new book, "What technology wants" and not a terminator robot in sight.