If everybody rolls out a new version and there's some problem with it, the whole Bitcoin payment network could grind to a halt.

WSJ: The Weekend Interview With Gavin Andresen: Bitcoin vs. Ben Bernanke

Jim Wallis, the president of a network of faith-based charities, doubts there will be a problem with the recipients of church aid (they can always leave the programme), but finds another glitch.

ECONOMIST: Compassionate conservatism takes a bow

After the crash Network Rail said there had been a problem at the crossing a year ago, with the barrier rising and falling slowly, but it had been fixed and it was in full working order.

BBC: Yarnton level crossing death 'unexplained'

Anyone who has seen Battlestar Galactica knows that the problem with putting anything on a network, is that it opens it up to hacking.

FORBES: Web Security Cams Are A Voyeur's Delight: Is Your IP Cam Password Protected?

The company started a social network to deal directly with this problem.

FORBES: Why Building Your Own Corporate Facebook Will Usually Fail

The women in the network seem to agree with Sandberg that sexism in America is mainly a problem that women can fix by being more assertive.

NEWYORKER: A Woman��s Place

It is understood the culvert is underneath a railway line and Network Rail staff are working with fire crews and Bridgend council to tackle the problem.

BBC: Bridgend flooding: Brackla flats evacuated

Network Rail said there had been a problem at the crossing a year ago, with the barrier rising and falling slowly, but it had been fixed and it was in full working order before the crash.

BBC: Man dies after car hit by train at Yarnton level crossing

He said the new UK centre would draw on the expertise of a network of eight universities researching the issue and would offer other countries assistance in dealing with the problem.

BBC: William Hague at the UN in New York