A language is said to be dead when no one speaks it any more. It may continue to have existence in a recorded form, of course – traditionally in writ… - David Crystal

I believe that any form of writing exercise is good for you. I also believe that any form of tuition which helps develop your awareness of the different properties, styles, and effects of writing is good for you. It helps you become a better reader, more sensitive to nuance, and a better writer, more sensitive to audience. Texting language is no different from other innovative forms of written expression that have emerged in the past. It is a type of language whose communicative strengths and weaknesses need to be appreciated.

The structural closeness of languages to each other has often been thought to be an important factor in FLL (foreign language learning). If the L2 [the foreign language] is structurally similar to the L1 [the original language], it is claimed, learning should be easier than in cases where the L2 is very different. However, it is not possible to correlate linguistic difference and learning difficulty in any straightforward way, and even the basic task of quantifying linguistic difference proves to be highly complex, because of the many variables involved.

The subject matter ranges from subtle forms of intellectual sarcasm and humor to the crudest possible attacks on a person's courage, sexual prowess, or relatives. At one level, attacks may be subtle and indirect, involving allusion and figurative speech; at another, there may be explicit taunts, boasts, name calling, and jokes at the other's expense.