Google unveils digital ‘wallet’ for phones
Search engine firm launches plans for 'wave and pay' system
Microsoft wants €899m anti-trust fine reduced
Record fine is 'undeserved' argue Microsoft lawyers, but tech multinational faces a long wait for the decision. By Charles Arthur
Google eyes digital display market
Having conquered classified search, Google is targeting display advertising – a move that makes media companies nervous. By Mark Sweney
Pass notes, No 2,979: LinkedIn
The business networking site has just been floated in the US and shares more than doubled in a day
Google ad investigation could cost firm at least $500m
US justice department to investigate whether Google unfairly treats some advertisers. By Josh Halliday
Microsoft buys Skype for $8.5bn in its biggest purchase and gamble yet
The once-dominant software company has agreed to pay more than three times Skype's valuation just 18 months ago. By Charles Arthur
Skype: from start-up to $8.5bn sale
Timeline: Skype grew rapidly because it was easy to set up and use, required only a microphone and headset, and often offered better quality for long-distance calls than a normal phone line
Microsoft confirms $8.5bn Skype deal
Takeover of internet phone service is tech giant's biggest ever deal. By Josh Halliday
Microsoft’s move for Skype: a gamble unlikely to pay off
Charles Arthur: Skype is a great service but it will be hard to monetise – and Microsoft may well alienate potential allies in mobile networks
Sony’s Anonymous claim: a health warning
Barrett Brown: A flimsy item of 'evidence' not only distracts from Sony's security lapse but attempts to smear activist hackers as mere criminals
PlayStation hack: Sony chief Stringer apologises for attack on network
Sony CEO Sir Howard Stringer has apologised for the attack that shut down the PlayStation Network and announced a $1m identity theft insurance policy for users. By Mark Sweney
Skype ‘in Facebook and Google talks’
Internet phone service in negotiations over link-ups that could delay Wall Street flotation, according to reports. By Josh Halliday
AOL’s Huffington Post takeover lifts display ad revenue
Struggling tech giant says acquisitions have helped create growth, but pre-tax losses hit $11.2m in first quarter. By Mark Sweney
Sony Online Entertainment crisis puts pressure on Sir Howard Stringer
Fund manager calls on chief executive to resign over hacker attacks that have compromised millions of credit card details. By Charles Arthur