>> Twitter is contesting a US court order directing it to hand over the message history of one of its users. The case pertains to Malcolm Harris, managing editor of New Inquiry, who was arrested in October 2011 along with hundreds of other campaigners during a protest march of Occupy Wall Street across Brooklyn Bridge.
>> Software major Apple plans to power its main data centre entirely with renewable energy by the end of this year, taking steps to address longstanding environmental concerns about the rapid expansion of high-consuming computer server farms.