2015 will be the UK's first ever "Twitter election here in the UK," according to Adam Sharp, Twitter's head of news, government and elections, with three-quarters of 18- to-34-year-old users planning on turning up at polling stations in May. Sharp was speaking at The Guardian Changing Media Summit today (19 March). While focusing much of his speech on political campaigning in his native U.S., he cited various UK statistics, such as that 78% of MPs are on the platform.

Starcom MediaVest Group (SMG) has begun the global expansion of its Pace Panel, a knowledge platform that combines custom research with media usage and mobile data. The platform was initially created with RealityMine, a company that provides consumer analytics and marketing data. The panel already has outposts in the UK and U.S. By the end of 2015, SMG hopes to have expanded the platform to 20 nations, including Saudi Arabia, Ukraine, Australia, and Poland.

Mondelez International has created a tactical campaign for Oreo, which will see the brand "eclipse" "The Sun" newspaper and digital outdoor screens across the country. The campaign, which was devised by PHD and Talon Outdoor with creative by FCB Inferno and Drum, is part of the global "play with Oreo" campaign. "#OreoEclipse" includes a black translucent cover wrap on "The Sun," a first for the News UK newspaper and what PHD claims is the biggest ever translucent cover print run.

Aldi has become the first official supermarket sponsor of the British Olympics team in a deal estimated to be worth GBP10m. The German discounter hopes the tie-up will cement its position on the British retail scene, having opened its first store 25 years ago. The sponsorship of Team GB's athletes in the build up to and during the Rio 2016 Olympic Games will push key initiatives including Get Set, the British Olympic Association's youth engagement programme, and Home-Grown Heroes, which connects athletes with their local community.

With so much distraction in consumers' lives today it can be hard to catch their attention when they are out and about, but harder still is the ability to directly influence their behaviour as a result. One way retailers are looking to bridge this gap is by using real-time data and principles of behavioural economics to increase the relevancy and timeliness of well located out-of-home ads, to nudge consumers into action.

Wunderman has appointed Chris Perry -- the joint chief executive at sister shop Fabric and a former joint chief executive at Razorfish -- as its new UK chief executive, succeeding Mel Edwards. Perry will report to Edwards, who was promoted to EMEA chief executive and UK chairman last month. His remit will include "taking the UK agency forward," focusing on current clients, including GlaxoSmithKline and News UK, and driving new business. Earlier in his career, Perry launched DNA Consulting -- one of the first UK digital ad agencies -- in 1996.

Publicis Groupe is launching a global media agency network called Blue 449, led by a restructured and rebranded Walker Media in the UK. From today, Walker Media will take on the name and brand identity of Blue 449. It will be part of ZenithOptimedia Group, and the ambition is for the network to have a presence in 17 cities by the end of 2015. The name Blue 449 references the colour wavelength between the "purple" brand of Walker Media and "blue" of ZenithOptimedia.

Shares in Trinity Mirror rose after the newspaper group confirmed that it was considering whether to buy the "Daily Express" from Richard Desmond's Northern & Shell group in a move that could increase the turnover of the "Daily Mirror" owner by a quarter. The newspaper group confirmed to the stock market yesterday that it was "at an early stage of evaluating certain of Northern & Shell's assets", its shares shooting up as much as 3% after "The Times" revealed that the two sides were in talks.

Speaking at the Guardian Changing Media Summit. Nicola Mendelsohn, Facebook's EMEA chief said the growth of seemingly trivial communications such as cartoon stickers had serious implications for brands. She pointed to the Despicable Me 2 sticker pack, which she said was shared more than two billion times. In general, stickers get 350 million shares per day on Facebook. Mendelsohn said: "That's two billion instances of people using brands to express an emotion in a conversation with a friend."

DMG Media, the publisher of the Mail newspapers, Metro and MailOnline, is seeking to appoint a global media agency to support its expanding international footprint. The UK incumbent, Starcom MediaVest Group, will not repitch. The agency has held the account for more than 15 years. The process is being overseen by AAR, and DMG plans to appoint an agency in May.