In a statement, MC&C said it has been “mutually agreed that Jackson will leave the company to pursue other opportunities that are of interest to him.”

A new Thinkbox study has for the first time quantified the total profit generated by different forms of advertising to show what they actually deliver to the bottom line.

According to people familiar with its plans, the online giant is currently in talks with TV networks, film studios and other media companies about providing programming to the new service.

Channel 4 is investing in a new digital ad sales partnership with three other major European broadcasters as they look to “compete more efficiently” with the likes of Google and Facebook.

Channel 4 is to become the first UK broadcaster to offer 100% targeted advertising across its on-demand service, All 4, on every device.

A new study by the World Federation of Advertisers (WFA) and Circus Street has highlighted concerns among multinational marketers that they won’t be able to recruit the experts they need in the years to come.

The offending ad, which appeared in Glamour magazine earlier this year, was meant to “entice readers to go online and interact with beautiful travel photography, interesting places to visit and new places to stay.”

Data from the Advertising Association shows that investment in the run-up to the festive period has been on a steady upward trajectory for the last seven years.

The US publisher is also reducing the publication frequency of a number of other titles.

Pattison will oversee WPP’s 50 global client teams and help to deliver on the group’s core strategic priority of ‘horizontality’.