There's always a lot of negative alarmism around language evolution. Personally I'm not convinced that transcribed mouth-sounds are an optimal format for conscious beings to communicate by, certainly not on profound levels, and the sooner we transcend the better. Think about what's happening now: I am referring to the dictionary in my mind, transcribing strings of characters to elicit your subjective memories of the corresponding mouth-sounds, which you then match to the dictionary in your mind, and hopefully, if both our dictionaries match, communication is achieved. It's not a terribly efficient process, certainly not compared to, say, encoding my idea in an image for instantaneous mental transmission (even if it is Courage Wolf or Skeptical Fry). I find this concern the most irksome...

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[i]While there are benefits to becoming more visually astute and more aurally discriminating, the areas of the brain associated with language are also associated with critical thinking and analysis. So, as the corpus of language shrinks, the human capacity for complex thinking may shrink with it.[/i]

Just because we're currently programmed to run our mental processes through words does not mean we have to cling to this operating system forever, or that we can only understand those aspects of reality which we can verbally signify. It is possible to [url=http://en.wikipedia.org/wiki/Visual_thinking]think without words[/url], which worked rather well for Einstein. Note also that many truly great authors, from Shakespeare to Joyce (both of whom hacked and "ruined" the English language moreso than an entire generation of lolspeak text-junkies) have intuitively understood that the ne plus ultra of language is the word not spoken or read, but beheld. How large does a vocabulary need to be to encapsulate reality? Joyce and his orgies of neologisms comes closest, and fails. But what he points toward is something like the persistent hallucination of the entoptic visual experience (or the psilocybin peak or DMT flash) in which language is not a representation of reality: it [i]is[/i] reality. The cumbersome mouth-sound dictionary-matching game is not really relevant when the mind can project a synaesthesic sculpture of pure felt experience.