BlackBerry chief executive John Chen introduces the Passport smartphone. Photograph: Aaron Harris/Reuters

Last month, the company that pioneered the concept of the smartphone unveiled a brand new device featuring a completely different screen size from pre(...)

Old computer monitors being recycled in Beijing, China, this week. First-quarter shipments of PCs fell 14 per cent worldwide from the same time last year, according to International Data Corporation - the deepest quarterly drop since the firm started tracking the industry in 1994. Photograph: China Daily/Reuters

The ailing personal computer market is getting weaker and starting to look as though it will never fully recover as a new generation of mo(...)