A Dutch court has sentenced an 18-year-old boy and his 16-year-old girlfriend in connection with the murder of a schoolgirl following a row on Facebook. Polly W and Wesley C were convicted of encouraging a third teenager, who has already been sentenced, to carry out the killing. They were sentenced to two years in juvenile detention and three years in a psychiatric clinic.

A teenager arrested on Remembrance Sunday on suspicion of posting a picture of a burning poppy on Facebook is being questioned by police. The 19-year-old was held after the image of a poppy being set ablaze by a lighter was reportedly posted online with the caption: "How about that you squadey cunts". Police said the man, from Canterbury, Kent, was detained on suspicion of an offence under the Malicious Communications Act after officers were contacted at about 4pm on Sunday.

Twitter users who wrongly named Lord McAlpine as being involved in a child sex scandal in North Wales in the eighties following a report on Newsnight, could be sued by the former Conservative treasurer. According to The Times and the Daily Mail, those who face legal action from McAlpine include Sally Bercow, the wife of the Commons Speaker, who pointed out that his name was trending as a result of the speculation.

Speaking at the AppNexus Summit in New York this week, Facebook VP global partnerships Blake Chandlee noted FBX buyers can now access audiences in the Asia-Pacific region and in Europe, the Middle East, and Africa. A spokesperson later confirmed the expansion and said Facebook is actively reaching out to media trading platforms. Also at the AppNexus event, two marketers - one American, one European - shared case studies on FBX.

Magazine publisher IPC Media has launched Kindle Fire apps for 34 of its magazine brands, with the publisher citing the platform as "a fantastic opportunity". According to a release, magazines launched on the device include 25 Beautiful Homes, Amateur Photographer, Cycling Weekly and Horse & Hound. The replica editions are priced in line with print, ranging from GBP1.49 to GBP4.99 per edition.

A social TV network" owned by one Russian broadcaster is transforming in to a joint venture so that, like Hulu in the States, it can serve up shows from multiple channels. CTC Media Inc launched Videomore in December 2010 with chat and sharing functionality. Until now, the service has contained only catch-up shows from its founder's own free-to-air TV networks CTC, Domashniy and Peretz.

This week analysis have been predicting that the Financial Times could be sold for GBP1 billion, however one City analyst has claimed that Pearson, the owner of the Financial Times, has been pushing up the title's price "aggressively" and "unsustainably", resulting in a 'misplaced assumption' that the company's newspaper division is valued at GBP1 billion. Mark Braley, a Deutsche Bank analyst, researched the Financial Time's readership levels, prospects, and pricing model after he was charged GBP353 for a subscription renewal.

His Twitter handle has not yet been announced, but the pontiff will be joining major religious figures including the archbishop of Canterbury on the site. The incoming archbishop, Justin Welby, also has personal account on Twitter, which he recently used to clarify that he is a man - not a woman named Justine - in an effort to quell a protest called after hearing a woman had been appointed to the position.

Deputy Prime Minister Nick Clegg characterised allegations over the child abuse scandals on social networks, such as the fake claims about Lord McAlpine, as trial by Twitter. He denounced those spreading bogus and false allegations of child abuse on the internet saying they were going to harm the cause of justice for victims, while on a trip to Ireland. The scandal has led to the resignation of BBC Director General George Entwistle.

A mobile app to aid in decision-making and day-to-day government affairs is being trialled by the prime minister. David Cameron has been using it to keep track of live data relating to jobs, housing and other areas. It also monitors polls and posts on social media, giving the PM an at-a-glance view of how the country feels about him and his government.