Google's Android smartphone operating system has reported impressive growth as competition with Apple intensifies in the months before the release of the iPhone 7. Android's market share increased 7.1% across Europe in the first three months of the year, where it now holds 75.6% of the market to Apple's 18.9%, which fell from 20.2%.

Burberry plans to axe GBP100m in costs by 2019, with GBP20m of those savings being delivered by 2017, as its profit declined again. Adjusted profit before tax for 2016 fell 10% to GBP421m, higher than the 7% drop predicted by analysts earlier this week. The global luxury market remains extremely challenging, the company said, pointing to declines in Hong Kong in particular.

Gap has lifted the lid on the ambition for its recently released mobile loyalty app, with the retailer hoping to eventually track the digital behaviour of its consumers and serve up relevant products in store to close the gap between abandoned clicks. Gap is also hoping that the app will help it move away from "heavy discounting" and instead send customers more relevant offers.

Observers say the tweak is a minor one, but also indicative of how swiftly creating a Gif or video on mobile is completely normal. The company also faces greater questions over its future as Facebook and YouTube make inroads with live content. Is changing the character count, as one agency CEO put it, "rearranging characters on the Titanic"?

The collapse last month of retailers BHS and Austin Reed has raised fresh questions about the future of the UK high street. The brands have over 200 years of history between them, and yet both have failed to adapt to the rise of online shopping and the emergence of new competitors. As administrators seek buyers, marketers should consider whether other high-street brands are safe.

The DM Trust, created from the merger of the IDM Trust and Direct Marketing Foundation, is offering brands and agencies the chance to benefit from funds aimed at raising the standards of the direct marketing industry, either through nurturing talent or promoting responsible best practice.

The campaign, planned and bought by Pinterest's UK media agency MediaCom, was creatively developed by Stinkdigital. Made in Chelsea will also be included in the campaign, with more shows planned in future. Pinterest has chosen the UK as the first global market to launch the brand's first above-the-line campaign.

Warren Buffett gave Apple a shot in the arm after it emerged yesterday that his investment company had amassed a $1 billion stake in the iPhone maker. At the same time, the respected investor offered financial backing to Dan Gilbert, founder of the mortgage lender Quicken Loans, for a possible buyout of Yahoo's internet assets.

Twitter Inc. is making a major shift in how it counts characters in Tweets, giving users more freedom to compose longer messages. The social media company will soon stop counting photos and links as part of its 140-character limit for messages, according to a person familiar with the matter. The change could happen in the next two weeks, said the person, who asked not to be named.

Facebook is ratcheting up the competition with Google with a "major extension" to its ad network, but it will need to be more transparent and offer brands more insights if it really wants to take on its rivals. Facebook is expanding its ad network to desktop, will start selling video ads and is offering brand goals rather than just direct response, for the first time.