"Silicon roundabout"
Media playback is unsupported on your device
Video

Tech City: Can the UK's 'Silicon Roundabout' deliver?

The government launched its Tech City initiative in east London years ago to try to encourage a cluster of start-ups and new technology businesses.

But does the UK have the computing skills, the drive and staying power to create global tech companies?

Newsnight's David Grossman reports.

Go to next video: Fingerprints reveal hidden secrets