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

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.

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

Why do people believe that global warming is man made?

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.

Conspiracy

Revealing classified information

What are the primary causes of the persistent smog crisis affecting Delhi and other parts of North India?

Insider trading

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.

How do people in your country say "you're welcome" in their native language(s)? Is it a commonly known phrase or do most people just reply with "no problem"?

False advertising

Child pornography

Fraud

How should I go about convincing my mother that my foreign online boyfriend isn't out to get my holes or scam me?

No freedom is absolute.