Sport England has launched a marketing campaign to encourage more women to take up sport and physical exercise, backed by celebrities including Clare Balding, Dame Kelly Holmes and Sally Gunnell. "This Girl Can" was kicked off with a TV ad during ITV's Coronation Street on Monday night featuring women of all shapes, sizes and ages exercising. Posters will run nationwide featuring slogans such as: "I jiggle, therefore I am", "Hot and not bothered" and "Sweating like a pig, feeling like a fox".

Black Friday caused consumers to start their Christmas spending earlier but didn't result in much of an uptick in the total amount they spent over the festive season, although household spending hit its highest level since 2010, according to new data from Visa. The figures show that spend in December increased by just 1% compared to the same month in 2013 after a "solid" 2.1% year-on-year rise in November. Visa says the figures show Black Friday deals brought Christmas spending forward.

Twitter is laying out plans to make money from the millions of people who see tweets all over the Web but don't actually use Twitter. The social media company is planning to sell ads within streams of tweets on other publishers' apps and websites, people familiar with the matter said. Twitter laid out its initiative to media buyers in a presentation at the Consumer Electronics Show in Las Vegas, the people said. It isn't clear which publishers are on board.

Kit Kat is doubling its media spend in 2015 with the launch of a GBP10m multimedia campaign after losing sales in the sweet biscuits category last year. The "Celebrate the Breaks" campaign, set to launch during the first week of February, will refresh the brand's consistent "Have a break" message by presenting it in a different way, according to brand owner Nestle. A TV and social ad spot will push the idea that no two people are the same and each has unique ways of taking a break.

The Advertising Association's forecast for ad spend growth in the UK this year has been revised down to 5.7 percent, from an expected 6.5 percent. The Advertising Association/Warc report said the downgrade reflected a "more cautious outlook for UK GDP and concerns over the Eurozone in 2015." The forecast for 2014 was also adjusted down from 6.4 percent growth to 5.8 percent. Despite the downgrades, 2014 and 2015 are set to be the strongest consecutive years of growth for UK ad spend so far this century.

Confused.com has penned a one-year partnership for the Family Gold Spot across cinemas nationwide. The integrated partnership, negotiated by PHD, sees Confused.com advertising featuring in-reel during every family film this year, including Disney's 'Big Hero 6,' Despicable Me spinoff 'Minions' and Pixar's 'Inside Out.' Fiona Creedon, head of advertising at Confused.com, said the car insurance price comparison site was "thrilled" to have found a home for brand mascot BRIAN on the big screen.

Northern Irish broadcaster Ulster TV (UTV) has admitted that it is considering selling some of its independent UK radio stations. The announcement helped surge the firm's shares seven percent from 170 pence on Thursday 8 January to 184 pence on Friday. The firm acknowledged that it would not be parting ways with TalkSport, Sport Magazine, TalkSport International or any of its Irish radio stations. UTV local radio stations attract 1.2 million listeners on a weekly basis.

Apple is set to raise the price of apps for consumers in the European Union to account for VAT rate changes and an anticipated fluctuation in the value of the Euro. The announcement was made to app developers via email -- which was first reported on by Apple Insider -- stating that app prices are set to rise in "all territories within the European Union, as well as in Canada and Norway." Iceland will be the only country to see app prices lowered.

Adidas has unveiled a contrarian campaign for its 'Superstar' shoe, with brand ambassadors Pharrell, David Beckham, Rita Ora and basketball star Damian Lilllard all questioning the role of social media in personal validation. In a statement, Adidas said: "Social media has completely redefined the concepts of self-expression, originality and creativity and, throughout 2015, [this] campaign will question the need for external validation and celebrity worship."

The London Business School is calling a media planning and buying review as part of "statutory procurement requirement." The process is at an early stage, with final pitches expected during March. The incumbent is Mindshare, which picked up the GBP2 million in business in 2011 after fighting off competition from Arena Media, Carat and Maxus. The school offers MBAs and PHDs in business subjects ranging from finance to marketing. The process is believed to be going through the Crown Commercial Service.