> Install any software
So it's like a jailbreak. More software, less security.
> Make core messaging functionality interoperable. They lay out concrete examples like file transfer.
Encrypted messaging by someone not in the U.S.' jurisdiction. More privacy, more terrorism.
> Fines are up to 10% of global revenue for the first offense, and 20% for repeat offenses.
Ouch, that'll impose some discipline.