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:

Fraud

Perjury

Why is the concept of pumping water uphill not commonly used as a source of electricity generation, similar to pumped-hydro systems?

HIPAA violations

Insider trading

Child pornography

Why can't my adopted sister accept she is not part of my family because she isn't related? Why can't she stop calling my parents mum and dad?

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.

False advertising

Trade secrets

Can I use the LEG PRESS to build muscle?

And much, much more.

No freedom is absolute.

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.

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Revenge porn

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.

Conspiracy

How would you feel if your girlfriend had dick pics on her phone?

Insurrection

Threats of violence

Revealing classified information

How does Arab culture and values differ from western culture and values?

Terroristic threats

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.