McCain, National Lottery & viewability – 5 things that mattered this week and why

GroupM’s softer stance on social ad viewability
The debate over what constitutes a ‘viewable’ ad is still evolving but GroupM has come up with some new standards that have the sign off of some of the biggest advertisers in the world, including Unilever, Volvo and Shell. And there’s an interesting mix of softening some while strengthening others.
For example, the requirements for social video have been relaxed. Whereas before GroupM demanded sound on and that people active