The technology to make data centres more efficient is well-proven - but it's only implemented on a minority of data centre servers. Our new practical How To Guide will help you cut costs

The world's biggest email migration went all right. But what about the stalled £12.7 billion project for patient records?

Enterprise customers have their mobile email interrupted for around an hour, due to network failover

But it's possible to get security bundled in with other technology, so don't worry, says Citrix

Overblown fears of CCTV and snooping are undermining confidence in the system, says former home secretary

But securing the London Games well could give the UK a reputation as a secure place to do online business, says the former Home Secretary

Video: small businesses have plenty to get to grips with in the new budget - this panel advises how the budget will affect them

Finally, a Universal Service Obligation for broadband. It's less than we want, but we should make sure it is not more than we can afford, because this really is crucial to our future, says Peter Judge

Finally, ultra-wideband makes it into a product - and what an intriguing product it is. There isn't anything quite like this, but will that be enough to sell it?

Updated: Once promising 500Mbps, UWB finally emerges in a data-sharing  product that communicates at 80Mbps