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

No freedom is absolute.

Conspiracy

Fraud

What are some cool confidence hacks?

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.

And much, much more.

False advertising

Why does a straight man like anal penetration?

Child pornography

HIPAA violations

Terroristic threats

Is Daenerys Targaryen really the most beautiful woman, or is everyone saying that just to flatter her?

Freedom of speech does not apply to:

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.

Perjury

Fatty liver: Symptoms and warning signs seen during the night - Times of India

Threats of violence

Insurrection

Revenge porn

‘Razor Blade Throat’ Symptoms As ‘Nimbus’ COVID-19 Variant Spreads - Forbes

Revealing classified information

Insider trading

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.

Will Miami’s latest effort at “culture change” work? - NBC Sports

Trade secrets

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.