Rory Cellan-Jones reports from the Mobile World Congress in Barcelona
An international think tank tries to draw up the rules of engagement for cyber warfare
As Egypt's internet blackout continues, we look at openness and control in technology
What are the prospects of all-out cyber warfare? A new report assesses the risks.
Did social media bring about social change in Tunisia? Evgeny Morozov gives his view.
The annual Consumer Electronics Show in Las Vegas showcasing new gadgets and tech trends
Where does technological innovation come from?
The best of 2010 in this special programme, including the film The Social Network
Do we reveal more about ourselves than we realise when we upload photos to the web?
The new Wikileaks splinter group, Open Leaks, and the latest developments in the story