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

And much, much more.

Insider trading

Terroristic threats

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False advertising

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.

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.

Did Muhammad Ali ask Dundee to cut his gloves off before Eddie Futch stopped the fight in Thrilla in Manila?

Freedom of speech does not apply to:

Conspiracy

Threats of violence

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Trade secrets

HIPAA violations

Perjury

Why do some people tell the girl I like that I don’t like her when I do like her?

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.

Revealing classified information

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Revenge porn

Insurrection

Fraud

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Child pornography

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.