Twain Standard Im Speak/Short Hand/acronyms/dialectal Spelling

Im Speak/Short hand/acronyms/dialectal spelling - twain standard

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Why are our children the same techniques as we have every day in our own lives. Why not then say that instead of CSI Crime Scene Forensics, or rather itself appuratus breathe diving, but you can not say, or the IMO oo omg lol idk?
Why can not the spelling of the dialect as the SED for this or thinking about thinking or spelled magic or something else ... But nobody complains when reading the teachers of our children are Mark Twain. Nobody complains that Chick-Fil-A motto, "Eat Mor Chikin" Infact, the majority of adults who know their costs.

So why this double standard?

Short-hand was a prerequisite for the school 50 years ago.
The initials of each workstation, with whom I was with my hand and cut. Medical applications out of hand, or in English, in America!

Why it's okay for adults to use abbreviations and short hand, but not our children?
Why are we sitting here and advocate the use of things likegov, com, edu, Social Security number, birth date, ISP, TV, DVD, VCR, CD, etc. (even their own etc?), but time to use our children to lol, omg, IMO, idk?

Then, of course, the argument must be grammatically correct, if your handwriting. I think children are trying to show here that this is not the official notification. Yes, it is a public forum. I know that many tests of the older generation used to read their messages, checks spelling and everything to ... because the official announcement. For most of these children ... This is just to chat with your best friend.

In short, any adult can give me a real reason why we do our children about the same things that we every day?