The Brexit bill has cleared parliament, and the government has the all-clear to trigger Article 50 and begin the UK's departure from the European Union. The advertising industry is divided about the impact Brexit will have. Although a fifth have lost business due to Brexit, a few leaders have expressed "cautious optimism" that it can be used to promote the creative industries.

The Trustworthy Accountability Group (TAG) and the Joint Industry Committee for Web Standards (JICWEBS) are focused on slightly different but complementary issues. The aim is to transfer learnings between the initiatives to improve their effectiveness and create a united and consistent approach across markets to tackle criminal activity and clean up the digital ad supply chain.

TV writers and producers have threatened to boycott plans to measure diversity on television after broadcasters refused to reveal which shows had the worst record for employing people from black, Asian and minority ethnic backgrounds. Under current proposals, a computer system called Project Diamond will gather the ethnic details of staff and monitor diversity on screen.

The WPP boss says digital giants such as Google and Facebook should be doing more when it comes to tackling ad fraud and measurement mistakes. Sir Martin Sorrell has taken aim at Google and Facebook, urging them to step up and "take responsibility" when it comes to measurement errors and ad fraud, as he believes the digital players are "clearly not doing enough."

World Wide Web inventor Sir Tim Berners-Lee has said the impact of fake news is increasingly concerning, as he unveiled plans to tackle "unethical" political advertising and the harvesting of data. The British computer scientist said, exactly 28 years after his invention, the three new trends have become alarming in the last 12 months.

Bishop Paul Tighe's presence here marks the first time the Vatican has attended the South by Southwest Interactive conference, and their panel -- titled Compassionate Disruption -- is one of this year's most talked-about events. "In a world where increasingly [we're] not invited to part of conversations, I think if people are interested in having us, we're delighted to be here," he said.

After Instagram Stories and WhatsApp Status, Facebook has just added Snapchat-like features to its final chat platform, Messenger. Like Stories and Status, Facebook Messenger Day lets users post videos and photos to the chat platform that will vanish after 24 hours. And just like Stories, Status (and Snapchat), there are filters and stickers that users can add to their 'Day' visuals.

Video ad formats are by far the most popular format in the mobile app gaming market, according to new research. The data, from AppLovin, indicates that video currently accounts for 93% of mobile ad spend. In non-gaming verticals, 58% of spend was for video ads, and 42% was for non-video.

Havas Creative Group and Havas Media Group no longer exist as divisions but are now business units under one regional P&L. With this change, Havas Media Group's global managing director and UK/France chairman Dominique Delport has been appointed global managing director and chief client officer for the Havas Group.

The scale of pay deals on offer in FTSE 100 boardrooms has been illustrated by the latest payout to Sir Martin Sorrell, who was awarded more than GBP40m in 2016 taking the total payout to the chief executive of marketing and advertising company WPP in the past five years to more than GBP200m.