Tech-savvy sofa-loving people around the world are compellingmarketers to invest in multi-screen advertising, which is now an emerging player in mobile ad targeting. The incredible rise of smartphones and tablets, coupled with the rising amount of time spent on them, has forced marketers to react to the growing market and divide their budgets and attentions accordingly.

David Cameron has more than doubled the number of 'likes' on his Facebook page within a month after a huge advertising campaign on the site. According to independent.co.uk, a marketing expert told the Mail on Sunday that the Conservative Party spent around GBP7,500 on Facebook adverts encouraging users to like his page. As a result, the Prime Minister now has 128,000 likes, putting him ahead of Nick Clegg, who only has 82,000. Ed Miliband sits in last place, with just 33,000 likes.

In a magazine first, Vogue will feature on one of the most prominent digital outdoor sites in the world; Storm's One Piccadilly in London's iconic Piccadilly Circus, where a 3 minute creative will run over the next two weeks.

The Herald and Times Group is promoting the 'heritage and relevance' of its Herald newspaper in a new campaign covering TV, radio and digital. Created by STV Commercial, the TV ad is aimed at those aged 40+ in the ABC1 market and promotes the paper's growing digital offering as well as its print edition.

While regional newspaper print circulations plunged last year, figures released by ABC reveal booming website traffic. The regional newspaper websites audited by ABC increased their daily 'unique browsers' by 40 per cent year on year. According to ABC, the Manchester Evening News is the most read UK regional newspaper online with double the number of daily web 'unique browsers' (141,000) than it has print circulation (70,000). Online readership is also growing fast, up 34.2 per cent year on year.

The Drum hacks its logo for International Women's Day as it announces the launch of research into the experience of women in the marketing industry. But The Drum was not the only company taking part in celebrating women. You can see a stack more content promoting and celebrating women in all areas of the digital and marketing industries in their International Women's Day section.

In announcing the series of changes, EIC Alan Rusbridger said, "These are significant developments which reflect the radically-changing ways that our journalism is produced, consumed and shared. The Guardian has always been in the vanguard of innovation - open and responsive to it - and today's news will help steer the Guardian's digital future and cement our position as a world-leading media organisation".

'We don't have a problem with explicit sexual content on the Internet - we just prefer not to be the source of it.' Twitter has effected changes to its rules and terms of service which includes ban on sexually explicit content on its Vine mobile app. The company said in a blog post, "We've found that there's a very small percentage of videos that are not a good fit for our community."

What if front pages were selected by newspapers' readers instead of their editors? At NewsWhip, we're always interested in the news stories people are choosing to share - and how those stories differ from the normal news stories editors put on the front pages of big newspapers. So we ran a little experiment. Last week, NewsWhip gathered the front pages of leading newspapers in several countries. Then they usedSpike to check the most shared stories from each one.

Streaming radio service Spotify is acquiring The Echo Nest, a Somerville, Mass., startup focused on building the world's largest graph of data about music. The Echo Nest already powers music recommendation for Spotify, as well as many other streaming services, so it's a natural move for Spotify to want to bring that capability in-house.