If freedom of speech is absolute, how come it's not applied for private spaces and for the Internet?

You have freedom of speech. If I loan you my computer, I can tell you not to use it for certain things, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Child pornography

No freedom is absolute.

How do you get a girl to like you?

Revenge porn

You have freedom to travel. If I loan you my car, I can tell you not to take it out of town, because it’s mine, you have no right to use it, and if I give you permission to use it I can tell you what you can and can’t do with it.

Terroristic threats

NASCAR Cup Series qualifying order for Michigan International Speedway - NASCAR.com

HIPAA violations

If you’re wondering why free speech doesn’t apply to the internet, it’s because you have no right to use other people’s stuff for free.

Trade secrets

Trump leans on GOP senators as they gear up to make changes to his domestic policy bill - CNN

Insider trading

And much, much more.

Freedom of speech does not apply to:

Are you already having anal sex?

That’s what it is. You have no right to use other people’s stuff. If people let you use their stuff, they can tell you how you can use it, and they can tell you to stop using it any time they want.

Fraud

Insurrection

Nvidia in focus as BofA maintains Buy after meeting, Chinese companies hesitate (NVDA:NASDAQ) - Seeking Alpha

Threats of violence

Perjury

Revealing classified information

Chime, last valued at $25B, aims for $11B in upcoming IPO - TechCrunch

Conspiracy

False advertising