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

Insider trading

No freedom is absolute.

Terroristic threats

Do you think most people would rather be a certain race or are most people happy with the race they are?

Freedom of speech does not apply to:

Revealing classified information

HIPAA violations

Super-magnetic dead star throws a violent temper tantrum as NASA X-ray spacecraft looks on - Space

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.

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.

Fraud

What is it like to have an insanely beautiful girlfriend?

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.

And much, much more.

Insurrection

Why do some people enjoy being dominated?

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.

Perjury

Summer McIntosh Swims 3:54.18 To Shatter 400 Freestyle World Record By 1.2 Seconds - SwimSwam

Threats of violence

Trade secrets

False advertising

Midea Recalls About 1.7 Million U and U+ Window Air Conditioners Due to Risk of Mold Exposure | CPSC.gov - U.S. Consumer Product Safety Commission (.gov)

Revenge porn

Child pornography