If found guilty, it would be second time a European regulator has taken action against Google.
M/H VCCP and the National Center for Missing & Exploited Children teamed up on the initiative.
Sister agency Assembly will take on media duties.
Contact details for high-profile influencers was reportedly stored on Amazon server that was not password-protected.
The social network teamed up with The Partnership for Drug Free Kids + Center on Addiction.
Mother LA: 'We wanted to show that there are many reasons people order food, and that Martha and Postmates approves
The company is pouring mega time and money into its C by GE portfolio.
The micromobility brand teamed up with The Lab at Anonymous Content on its new brand platform.
Incumbent Bartle Bogle Hegarty New York did not repitch.
London event is taking place at John Lewis' flagship store on Oxford Street.