If freedom of speech is absolute, how come it's not applied...

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.

Trade secrets

Insurrection

Is it okay for my husband to help other ladies without telling me?

Insider trading

HIPAA violations

False advertising

Samsung sends out public safety alert urging Galaxy users to enable new security features - Android Police

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.

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.

Microsoft belatedly attempts to tame USB-C confusion with its rules for PC OEMs - Ars Technica

Fraud

And much, much more.

Conspiracy

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

Threats of violence

Revealing classified information

Revenge porn

How can a native English speaker say "it was nice talking to you" in French without using that exact phrase?

Freedom of speech does not apply to:

Terroristic threats

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.