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

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.

Insider trading

Revenge porn

What would it take for you to consider yourself a "Swiftie" like Flavor Flav?

Trade secrets

False advertising

Fraud

Dolphins place Terron Armstead on reserve-retired list - NBC Sports

Conspiracy

And much, much more.

Child pornography

WCWS Game 1: Texas scores wild win over Texas Tech as Reese Atwood knocks in game-winning runs on failed intentional walk - Yahoo Sports

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.

Terroristic threats

Revealing classified information

Nintendo Switch update 20.1.1 out now, patch notes - Nintendo Everything

No freedom is absolute.

Perjury

Freedom of speech does not apply to:

How do schizophrenia symptoms change throughout the day?

Insurrection

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.

Threats of violence

In axing mRNA contract, Trump delivers another blow to US biosecurity, former officials say - ABC News

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.