To what extent should written speech or can reflect the peculiarities of oral speech?

To what extent should written speech or can reflect the peculiarities of oral speech? What features of oral speech reflects the language of Internet users?

Written speech very accurately reflects the features of oral speech. By the way a person writes, you can learn a lot about him. For example: age, social status and educational level. The use of various words of parasites, incorrect phrases, as well as the presence of various logical and lexical errors can indicate a person’s lack of education. Nowadays, Internet users write words as they like, as they hear them. Thus, written speech is a manifestation of a person’s oral speech.