How current is CIW site designer designation?

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I passed the CIW foundations some years ago and thought it might be worthwhile to broaden my knowledge studying for site designer certification. However, on researching the textbook I find it was published in 2002! ie 7 years ago and well before Web 2.0 even existed.

Is studying for this really of any practical use in 2009, and does a web certification based on a 2002 syllabus have any industry currency?