

The samples selected for this article comprise interactive exchanges which took place in sub-areas and channels often used by Spanish adolescents, who typically tend to display a great amount of innovative orthography (non-standard uses of punctuation marks, letters, etc., see Yus 2001a:148-151, 2002a, 2003a). a portal on Internet), and they contain a number of channels (designed by the makers of the chat room) and sub-areas (created by the users).

These areas are normally accessed through a single web page (e.g. Internet chat rooms Internet chat rooms are areas of the web for synchronous text-based interactions. In virtual environments such as Internet chat rooms, interlocutors are not co-present, and a number of discursive strategies have to be devised in order to reach an adequate comprehension of this attitudinal and emotional side of communication.

In a contextually richer environment such as face-to-face communication, nonverbal behaviour provides substantial data on important information such as propositional attitudes, affective attitudes and emotions, which is attached to the verbal content of the utterance.

adolescent discursive barriers, also exhibited in SMS texts to mobile phones), Spanish chat users also resort to this deviation of normal orthography in order to help other chat users reach a more accurate interpretation of the sender's attitudes and emotions held or felt while typing their texts on the screen. Besides the usefulness of this innovative orthography to create discursive boundaries of social specificity (e.g. repetition of letters and punctuation marks). Spanish Internet chat rooms are filled with young people who use language in a very creative way (e.g.
