Regional freesheet Metro is to launch a new multi-platform website,Android app and edition for Kindle Fire, as part of an aggressive "mobile first" strategy to move beyond its reliance on print distribution on the London Underground. Daily Mail & General Trust-owned Metro, which publishes different editions in cities across the UK, is set to launch an Android app in the next few days - an Apple app was launched last year - with a major overhaul of Metro.co.uk and a Kindle Fire edition due before Christmas.

Peter Chernin, who left News Corp in 2009, has invested $10 million in Base 79, an agency which exploits video rights for content owners in online video channels including YouTube. There, it operates 550 channels, from which it claims 550 million monthly views. Release. The investment is fresh from a $100 million financing Qatar Holdings is putting in to The Chernin Group, according to AllThingsD, joining Providence Equity Partners and others. The group also has investments in Flipboard, Tumblr and Scopely.

Xbox World and PSM3 magazines will close with the December issue, Future Publishing has announced. The two UK outlets were the unofficial magazines for each system, though Future has confirmed that it will continue to publish Official Xbox Magazine and PlayStation Official Magazine in the UK. "This decision has been taken as Future continues to focus on its strategy on accelerating digital growth across its international digitally-focused brand business," Future Publishing's Clair Porteous said in a statement.

The unadjusted figures show a drop in total revenues of 16.1%, a decrease in circulation revenues of 5.1% and a fall in total print and digital advertising revenues of 16.3%. Digital revenues alone however increased 2.9%, with "online display revenues in particular" said to be maintaining "strong growth". The publisher added that "the overall digital growth has been impacted by the reduced digital upsell from a lower level of print employment advertising" but that "this is being addressed by an increased focus on standalone digital employment advertising and a move to a 'digital first' approach".

Keir Starmer, the Director of Public Prosecutions, said it could be appropriate for more popular tweeters to face prosecution if they tweet something "grossly offensive" to thousands of people, while those with only a few dozen followers might go unpunished. It follows concerns that police are increasingly ready to act against people who post offensive material online and are thus threatening free speech. This week a man was arrested in Kent for posting a photograph of a burning poppy.

Mail Newspapers has launched the first version of its Mail Plus application on Amazon's new Kindle Fire and Kindle Fire HD tablets. The application offers readers an enhanced version of the Daily Mail and Mail on Sunday newspapers, as well as related supplements and Weekend magazines. Mail Plus also features photo galleries and an interactive puzzle section boasting 22 games.

Google, Amazon and Starbucks are being probed by UK lawmakers for using complex accounting methods avoid tax liabilities in the country. UK government's financial affairs monitoring agency, the Public Accounts Committee has questioned the companies' decision to have their businesses outside the country to help them avoid paying taxes. Amazon and Google have conceded that the companies use European tax jurisdictions which favour their UK operations.

Since the resignation of the previous director general, George Entwistle, on Saturday, some of the BBC's more high-profile staff have taken to Twitter to give the outside world an insight to the panic gripping the corporation. Referring to the "tumultuous and very sad events of the past few days", Fran Unsworth emailed: "It would be helpful if some of our problems were not played out publically across social media and in the pages of the national press."

CMT, the country's telecoms regulator, said that 242,000 net mobile connections were dropped in September, the eighth consecutive monthly decline in Spain. According to CMT, Telefnica's Movistar lost 254,000 customers and Vodafone Spain 178,000. Orange Spain and TeliaSonera's Yoigo both gained customers from their larger rivals during the month, according to Reuters. The economic crisis is to blame.

A judge in Australia has ordered Google to pay AUD200,000 (GBP131,000) to a man who had accused the firm of defamation over web search results, in what is being viewed as a landmark ruling. Milorad Trkulja contacted Google in 2009 after finding that searches for his name brought up results that associated him with Australian organised crime. He was shot at a restaurant in an unsolved crime in 2004 and some of the results claimed it was a professional hit as he was allegedly a major crime figure in Melbourne.