The agency calls the ad provocative and says its a reflection on how the next generation will engage with brands.
Intended as a wake-up call, the ad features children in their early teens speaking of what marketers will need to do to engage and influence them in the future.
"Its a provocation and an invitation to the marketing industry to 'up their game'. Things are about to get a whole lot more difficult," said the agency.
Part of the Omnicom Group, PHD was formed in 1990 and currently has more than 2,000 staff members across 59 offices globally.