Marks & Spencer has appointed iCrossing, Hearst's specialist search agency, to its agency roster after a competitive pitch. The retailer has tasked iCrossing to lead its global SEO account and wants to further integrate SEO with all its digital activity in the UK and international markets. This follows M&S' decision in February to part ways with AKQA, which handled its digital activity.

Facebook's partnership with Dunnhumby aims to improve its "credibility" among marketers by proving a link between advertising on the social network and both in-store and online sales, but it faces challenges in getting brands to trust the data and must do more work to connect across the entire marketing ecosystem.

The CMA has written to 13 marketing companies, 20 businesses and 33 publishers of online articles and blogs, to warn them that helping to arrange or publish advertising or other marketing that is not clearly distinguishable from the opinion of a journalist or blogger may result in them breaking the law.

The Snapcode allows in-store shoppers to scan a barcode using their mobile device to unlock content from Burberry's new campaign for male fragrance Mr Burberry. Burberry is running the content on Snapchat's Discover channel, offering access to style and fragrance content, including tailoring and grooming tips. The channel will feature the full-length director's cut and behind-the-scenes content.

Thai beer brand Singha is to host a two-day immersive dining experience in celebration of its home country's new year, thanks to a tie-up with foodie group Shuttlecock Inc. The 'Songkran' event -- a celebration of the traditional Thai New Year -- will take place on 14 and 15 April at Shuttlecock's dedicated dining space, Carousel, in London's Marylebone.

Oculus Rift finally began shipping in the US last week. Buried in the Terms of Service for the device are some rather shady clauses that may make some people think twice before buying. In particular, the Terms of Service state that Oculus can collect "location information" as well as "information about your physical movements and dimensions" when you use the virtual reality headset.

Bonne Maman, the French jams brand, is set to launch its first major TV ad campaign after appointing The Bank as its lead creative agency. The Bank won the business, for which there was no incumbent, after a competitive pitch run directly by the brand. MediaCom handles Bonne Maman's media planning and buying and was unaffected by the review.

Facebook has inked a deal with Tesco-owned research firm Dunnhumby that will give FMCG brands the ability to see how ads run on the platform effect in-store sales at the supermarket. It's a landmark partnership for the social giant, which is increasingly turning to third parties to show it's not "marketing its own homework."

Samsung was the most advertised brand on British TV in terms of airtime last month. The Korean electronics giant racked up 2,486 minutes of advertising -- over 41 hours -- across terrestrial and pay TV in March, a 238% increase compared to February. There were 3,525 spots for Samsung last month on British television. Last month, BT was the most advertised brand by airtime. The next most aired brand ads were for Nationwide (2,357 minutes; 4,150 spots) and BT (2295 minutes; 3,637 spots).

Cadbury is launching a global brand campaign for its Dairy Milk brand, replacing its "Free the Joy" slogan with "Taste like this feels," although Marketing Director Matthew Williams says its marketing will still focus on providing "moments of joy." The new creative platform launched on Saturday with an experiential activation at Westfield shopping centre in central London. Shoppers were invited to remove their shoes and experience the feeling of tasting Cadbury Dairy Milk by walking on a sea of bubble wrap.