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

Trade secrets

Conspiracy

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.

He led George W. Bush's PEPFAR program to stop AIDS. Now he fears for its future - NPR

Threats of violence

Insurrection

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.

How do you complete “Ciao bell'uomo, come stai oggi, buongiorno signore, sono Jennifer Rose Louis, come ti chiami”?

Perjury

And much, much more.

Revealing classified information

If you lived in South Africa, would you support nuclear power as a solution to the country's energy woes?

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.

Insider trading

HIPAA violations

FDA Gives Tomato Recall Over Salmonella Highest Risk Warning - TODAY.com

Fraud

Revenge porn

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.

A particle from the farthest reaches of the universe has been detected at the bottom of the Mediterranean Sea. - Farmingdale Observer

No freedom is absolute.

Terroristic threats

Freedom of speech does not apply to:

3 Subtle Signs Your Relationship Is Near Its End — By A Psychologist - Forbes

False advertising

Child pornography