WPP is also bidding for Dutch agency MediaMonks, pitting the group against its former chief executive, Sir Martin Sorrell.
Reports that Interpublic Group may be looking to acquire US data company Acxiom's marketing solutions business for a reported $2.2bn (£1.67bn) indicates a possible doubling down on data among the agency groups, analysts at Liberum said.
Dentsu Aegis Network has appointed Christine Removille, one of the founders of Accenture Interactive, as global president of media agency network Carat.
Google is merging its DoubleClick ads platform with Google Analytics 360 Suite and rebranding the new entity, "Google Marketing Platform".
AT&T has fully-acquired digital platform AppNexus for a reported $1.6bn (£1.21bn) from its stakeholders which includes WPP, investment firm TCV and News Corp.
Unilever's diversity and inclusion chief Aline Santos has criticised the industry for a lack of action but welcomed the accountability that has come with a spotlight being shone on the issues.
A panel session at Cannes Lions titled "Five ads that shook the world" had the surprise inclusion of the by-now notorious Pepsi ad starring Kendall Jenner.
The Economist's Big Debate around the power of the big tech players which involved Facebook, Unilever, and UM grew heated over the proposal that users should be paid for their data.
YouTube launches tools for advertisers to experiment, mark key brand moments and remix ads in real-time
YouTube has rolled out a set of creative and analytical tools for advertisers so they can test ads before a formal launch, target better and remix ads in real-time.
After Procter & Gamble aired its ad "The Talk" which addressed the conversation African Americans had to have with their children about racism, it received both praise and some pretty negative criticism.
If brands were to allocate their marketing spend better they could realise about $45bn (£34.2bn) more profit globally each year, a study by Ebiquity published today at Cannes has shown.
The answer is to work only with influencers who are genuine and are part of your brand story, said top marketers from Diageo, Samsung and eBay.
Unilever's chief marketing officer, Keith Weed, will announce at the Cannes Lions Festival today that Unilever will not work with influencers who buy followers.
JCDecaux has unveiled a programmatic outdoor media trading platform, Viooh (pronounced View), that has the potential to be a catalyst for change in the out-of-home media industry, according to Liberum analysts.
Snapchat has partnered with Axciom's ID resolution provider LiveRamp to launch a new measurement product called Offine Sales Impact.
Swedish sportswear brand Björn Borg has found a use for blockchain that, while it sounds crazy, is actually rather perfect.
After very publicly pulling out of all marketing and awards shows last year to focus on Marcel, Publicis Groupe has seen fit to issue an explanation about its presence at this year's Cannes Lions Festival.
Campaign's Breakfast Briefing on Blockchain: the myth vs the reality answered the industry's questions about the technology and why it matters to media, marketing and advertising.
Havas Sports & Entertainment and Havas Blockchain have launched a cryptocurrency-based loyalty programme that rewards sports fans for "fan actions".
Cannes Lions has switched its media person of the year award to that of media brand at the request of Daniel Ek, Spotify's co-founder and chief executive.