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

Conspiracy

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.

Trade secrets

A Fossil So Well-Preserved It Looks Like It Came From Yesterday—Here’s What It Reveals - The Daily Galaxy

Terroristic threats

Fraud

Child pornography

Science-Backed Tips for Increasing Your Stamina at Any Age - Prevention

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.

No freedom is absolute.

Why is there a lack of affordable housing in the USA despite a surplus of empty homes?

Freedom of speech does not apply to:

HIPAA violations

Revealing classified information

NAR Existing-Home Sales Report Shows 0.8% Increase in May - National Association of REALTORS®

Revenge porn

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.

Insurrection

What are the possible reasons for people feeling depressed after the holiday season? Why does being alone exacerbate these feelings?

And much, much more.

Threats of violence

False advertising

What is the science behind red light therapy?

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.

Perjury