More than half of UK adults are accessing news content online, another milestone in the switch from reading newspapers and magazines to picking up tablets and smartphones. 2013 marks the first time that the majority of adults - 55% - have used the internet to read or download news from sources including newspapers and magazines, broadcasters such as the BBC, or online-only websites such as the Huffington Post, according to a report on how British households use the internet, published by the Office of National Statistics on Thursday.

A growing number of household brands are hiring YouTube filmmakers to help them produce fresh, engaging and interesting content without the fear of it coming off too self-promotional, reports marketingweek.co.uk. The website claims popular names such as Kellogg, Chevrolet and Cadbury are among an increasing list of companies that have enlisted the services of web celebrities in their marketing campaigns.

News UK has struck a six-figure deal with Absolute Radio to promote its exclusive digital rights to show Barclays Premier League goals and highlight videos. The ten-month deal, brokered by media agency M/Six, will comprise on-air, online, and mobile ad packages across the radio network's Rock N Roll Football show, dedicated to Barclays Premier League coverage.

Its Music All Access subscription-based platform makes it the latest firm to enter the increasingly-packed market, dominated by the likes of Spotify, Deezer, Rdio and Xbox Music. Also competing against Sony's Music Unlimited and Rara, Google hopes to undercut the competition by offering all sign-ups before September 15 a monthly subscription price of GBP7.99, with access to millions of tracks from major and independent labels, but sign-ups after that date must pay GBP9.99 per month, broadly in line with the other streaming services.

Comment threads on web publications, especially when related to contentious stories, can become similarly heated, but the impact of disputes between two parties can be much more wide-ranging. The tone of reader engagement can lift or sully a digital publication enormously: affecting readers' relationships with each other, the value of the published content, editorial ideas, editorial-reader relationships, commercial partnerships and website traffic. Here we explore how and why these factors can be affected, and why paying careful attention to your community engagement - whatever the size - is essential.

Police investigating threats made on Twitter against the Labour MP Stella Creasy and the writer and campaigner Caroline Criado-Perez have arrested a man in Bristol. In a statement, Scotland Yard said: "Detectives from the MPS [Metropolitan police service] have this morning, 7 August, arrested a 32-year-old-man, on suspicion of committing an offence under the Protection of Harassment Act, 1997. "He was arrested at an address in Bristol by officers from the MPS police central e-crime unit as part of an ongoing investigation into allegations relating to threats made on Twitter."

The Nielsen television ratings collation group Nielsen has published a report confirming a statistically significant" link between Twitter activity and programme ratings. The findings suggest a virtuous cycle, with a boost in one directly affecting the other. The report states that tweets both drive consumers to tune-in to a program, and increase chat about shows they are already watching. It claims "statistical evidence of a two-way causal influence between broadcast TV tune-in for a program and the Twitter conversation around that program."

Digital music streaming service Spotify has added a new music feature to its services that provides a suitable playlist for different activities and moods. Browse uses data from users' friends, personalised recommendations and music experts to provide music for every moment including dinner parties and workouts. Spotify, which acquired music discovery startup Tunigo earlier this year, said it hopes Browse will add a "human touch" to its service.

The BBC has started issuing on-air cautions for user-generated material it broadcasts, following research showing that three quarters of amateur footage used during the Arab spring was not accompanied by warnings about its provenance. The corporation now alerts viewers when it has not been able to independent verify pictures or video taken by members of the public, according to a BBC Trust report published on Tuesday.

A Scottish Court has ordered a Twitter troll to pay GBP40,000 in damages after a defamation case was raised against him. The case is believed to be the first of its kind heard in Scotland. The court found he had defamed an equality campaigner by calling her a paedophile via the social network. David Shuttleton had sent messages with the hashtags "child abuse" and "danger to children".