As the 20th anniversary of the publication of the world's first web page approaches, the man who invented the world wide web, Sir Tim Berners-Lee says the challenges it met in the past are just as relevant today.

A pioneering technique beats its own record for data rates, registering 26 terabits per second and using comparatively little power.

Electronics giant Sony expects to make a loss for 2011, largely due to writing off $4.4bn related to a tax credit.

The decision to open a London office could leave Twitter more vulnerable to prosecution over injunction breaking claims.