There's been a lot of discussion about it here:
http://www.tfproject.org/tfp/showthr...threadid=18926
But haven't heard much about the smartness other than the one study you mention - that it increases the length of information blocks you can hold in memory.
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I can't understand why people are frightened of new ideas. I'm frightened of the old ones. -- John Cage (1912 - 1992)
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