In brief: Cornwell succeeds founding CEO Tom Bureau, who will move to become chairman.

Campaigns that offer sustainability as its main message are positively received, but cost is still a barrier for adopting sustainable consumption practices.

A new celebrity-focussed feature could open the door for an ad-based business model, but the ‘authentic’-branded platform may not be that enticing for buyers.

In brief: Business-focussed social media platform LinkedIn announced its user base is nearing 1 billion as it celebrated its 20th anniversary today.

Vice Media, BuzzFeed, Insider, and even Reach have seen revenues and valuations plummet amid a “confluence” of problems hitting the digital media market.

In brief: Reach’s total revenue declined 5.9% year-on-year, the company revealed in a trading update.

In brief: The publisher will become a partner for Ozone’s audience-led media offering, as well as its Biddable Management Service.

Twitter’s impact on journalism has been both a boon and a stain for a transitioning industry, writes Jack Benjamin.

In brief: The unit will bring together the specialist retail, direct-to-consumer, and social commerce functions that exist across GroupM.

In brief: The Guardian’s sales director Guy Edmunds has left the publisher after 20 years.