People of all ages and backgrounds use slang, but it is most commonly associated with younger generations. Slang is often used to create a sense of belonging within a particular social group or to communicate informally. It can also be a way to express creativity and individuality in language use.
People use slang so that other people won't know what they're talking about.
Always. People started inventing slang as soon as they invented language.
Everyone uses slang. Name any famous person -- yes, they use slang, too.
It depends on the type of speech. In an informal speech, slang is fine; in a formal speech, you should avoid slang.
100%. Everyone in the world uses slang.
Yes, all of them. Everyone uses slang.
It appears to me that the majority of Londoners use slang.
Australians do!
People have used slang since the dawn of time. There was slang every since cave men but it wasn't slang it was the pronounciation for thier words.
Slang changes with vocabulary and the times, much of it coming from the military of all countries
Writers use slang because real people use it.
People usually curse to express strong emotion, mostly anger and frustration with a person, an object, or a circumstance. People use slang usually in order to fit in with a particular group. Slang is usually used in casual or humorous speech. It would not be appropriate to use slang in formal contexts such as in the business or professional world, at school, or in religious settings such as in church.