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

Freedom of speech does not apply to:

Terroristic threats

Threats of violence

What was the most inappropriate thing your parent caught you doing as a teen? Was in the bedroom, I thought nobody else was home. My sister and I shared that bedroom but I knew she was gone. I didn’t know my dad was home though.

Insider trading

HIPAA violations

Revenge porn

Would the word literate carry the same meaning with public (common wealth) in 1900 vs today 2020?

And much, much more.

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.

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.

What are the major security challenges facing India, both domestically and internationally, and how does the government address them?

Insurrection

False advertising

Fraud

Why can't flat-Earthers create an agency like NASA to explore Earth to prove it is flat? What's preventing them from doing so?

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.

Trade secrets

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.

At what point does trespassing become self defense? What are the necessary conditions for this line to be crossed from trespassing to self defense?

Perjury

No freedom is absolute.

Conspiracy

What is the dirtiest city in India?

Revealing classified information

Child pornography