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

And much, much more.

Trade secrets

Freedom of speech does not apply to:

US researchers solve tokamak plasma mystery with elusive ‘voids’ discovery - Interesting Engineering

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.

Terroristic threats

Researchers raise red flag that doctors may be underprepared for devastating new disease emerging in US: 'We want to give the early warning' - Yahoo

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

Conspiracy

What are some of your favorite hip hop lyrics?

HIPAA violations

Revealing classified information

No freedom is absolute.

I gave him everything. He said he loved me. Why?

Child pornography

Perjury

Threats of violence

What if you were the only and last person left on Earth. How will you survive and what would you do with your life?

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.

Insurrection

Revenge porn

How can I decorate my house creatively?

False advertising

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.