Here are five rules included in the law that will force the tech titans to change their ways
The world's biggest digital companies will be forced to comply from Thursday with strict EU rules that Brussels hopes will make the online market fairer for all.
The European Union in September named six so-called gatekeepers and 22 of their platforms including Facebook, Instagram and LinkedIn that must adhere to the rules: Google's Alphabet, Amazon, Apple, TikTok parent ByteDance, Meta and Microsoft.
That list is expected to grow after online travel agent Booking and Elon Musk's X notified the European Commission last week that they met the criteria to be considered gatekeepers.
Here are five rules included in the law that will force the titans to change their ways.