A supply-side perspective on agency transparency

Almost a year on from the Dentsu billing crisis, advertising transparency is seemingly a major priority for Japanese media buying agencies; especially when it comes to digital.
While appetite for digital shows no signs of decline — predicted to reach ¥1.159 trillion by the end of the year – the pressure for agencies to be open about trading methods keeps on growing. Indeed, this challenge is particularly prevalent with programmatic media buying, where continued global brand safet