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

No freedom is absolute.

Threats of violence

Child pornography

Scoop: Treasury officials defend "revenge tax" from wary GOP senators - Axios

Revealing classified information

Conspiracy

Freedom of speech does not apply to:

Steelers sign Aaron Rodgers, pending a physical - NBC Sports

Revenge porn

Trade secrets

False advertising

What was your embarrassing moment in front of your father-in-law as an Indian daughter-in-law?

And much, much more.

Perjury

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.

Trump Biopic ‘The Apprentice’ Dominates Politically-Charged Canadian Screen Awards - The Hollywood Reporter

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.

HIPAA violations

Fraud

What melts your heart every time without fail?

Terroristic threats

Insider trading

Insurrection

Why have cell phones, the internet, and reality TV turned the world into a toilet, as this has not advanced us in any way?

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.

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.