Study has shown that ads on Twitter delivered the most total attention, while TikTok had the strongest active attention.
Publisher has worked with agency since 2013.
The Omnicom Media Group agency won a global media review called due to a change in ownership.
Four agency groups are in the running, including the incumbent Dentsu.
Global review consolidated media in 10 markets to single agency.
Josh Krichefski and Tim Irwin handed key roles.
Group M CEO talks to Campaign about merger and restructure.
Mindshare, Xaxis and Finecast are also part of overhaul.
Red Bull Racing has overtaken Mercedes to become the team with the second-largest fan base in Formula One. Chief marketing
The Omnicom agency has been booked for global brief to attract younger travellers.