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

Freedom of speech does not apply to:

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.

Revenge porn

What are some of the differences between the Democratic and Republican parties? What policies does each party advocate for? What groups do these parties usually represent?

Terroristic threats

And much, much more.

Revealing classified information

Why is the show The Big Bang Theory so hated?

Child pornography

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.

False advertising

Are there any queer Space Marine Legion in Warhammer 30k or 40k?

Threats of violence

Conspiracy

Insider trading

What do flat earthers think about Antarctica?

Insurrection

Perjury

HIPAA violations

Science news this week: Overdue earthquakes and star-shaped brain cells - Live Science

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.

No freedom is absolute.

Trade secrets

How could Trump, with his deplorable garbage supporters, manage to win an election?

Fraud

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.