The GDPR gives European internet users some of the strongest privacy protections in the world.
The stakes for not complying are high.
On top of this, victims of any data misuse are entitled to seek compensation.
These are the biggest penalties to be handed out so far.
Top eight biggest GDPR fines
1.
An Amazon spokesperson said the company strongly disagreed with the decision.
An appeal is underway.
Meta said it was disappointed in the decision because it believes its current consent model complies with GDPR.
It intends to appeal both the fine and the substance of the ruling.
Specifically at issue was how WhatsApp shared data with Facebook.
A spokesperson for the messaging platform said the company disagreed with the decision and would appeal.
Google appealed, but the fine was upheld by the French court.
One person was reportedly called 155 times by TIM in a one-month period.