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

No freedom is absolute.

Revenge porn

Revealing classified information

Scientists Crack 30-Year Mystery Behind “Holy Grail” Cancer Drug - SciTechDaily

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.

Terroristic threats

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.

Steelers quickly settle any Aaron Rodgers jersey number mystery after signing - New York Post

Fraud

Insurrection

Perjury

Do you want to have an XXX chat?

Conspiracy

HIPAA violations

Freedom of speech does not apply to:

Why is it so common for married white women to have an affair with black men? Does it bother white guys?

Threats of violence

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.

Trade secrets

What is the most inappropriate experience you have had with a friend's daughter?

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

Child pornography

GoFundMe for teen who rushed to Burger King shift after graduation skyrockets to $130K — and keeps climbing - AOL.com

And much, much more.

False advertising