Top Hollywood directors protest over home downloads

Film-makers say studios' plan to allow video-on-demand while movies still on release could close cinemas and increase piracy

James Dyson: Reinventing Britain

James Dyson has made millions by allowing us to see the dirt we suck up. As he calls for more inventors, Lucy Siegle asks him about manufacturing abroad, design disasters and whether he could build a nuclear reactor

Apple’s Chinese workers treated ‘inhumanely, like machines’

Investigation finds evidence of draconian rules and excessive overtime to meet western demand for iPhones and iPads

Microsoft falls behind Apple for first time in 20 years

Company's revenues and profits rise but are eclipsed by those of main rival as PC market shows signs of decline. By Charles Arthur

Nintendo lines up Wii successor

Company to reveal successor to wireless console this summer before full launch next year, in bid to reverse profits slide

Apple named ‘least green’ tech company

Greenpeace report puts Apple at bottom of green league table due to reliance on coal at data centres

Google shares fall as first-quarter profits fail to meet expectations

Results likely to heighten investor fears that Google's commitment to recruit 6,200 workers this year will harm profits

Phorm and the CPS’s playground justice

Richard Clayton: BT may have sought legal advice over its use of Phorm, but claiming 'the other boy said it was all right' is no defence

Tablet sales poised for spectacular growth, claims Gartner

iPad looks set to lead the market for four years as mini-notebooks decline. By Josh Halliday

Smartphone parts shortage caused by Japanese quake

Shortage of essential parts for mobile phones and tablets will affect Nokia, RIM and Sony Ericsson. By Charles Arthur and agencies

The Wu master

The internet as a model of free speech and access is coming to an end, web expert Tim Wu tells Patrick Kingsley

US consumers to get online bill of privacy rights

Obama administration pushes for bill to establish basic levels of privacy amid concern about data being gathered on consumers by likes of Facebook and Google