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nongwan · 07-18-2007, 01:39 PM

in my opinion i think
seo is sub set of SEM.
SEM is univerese .

seo <-- about optimize only search engine for good ranking.

07-18-2007, 01:39 PM	#3 (permalink)
nongwan Noogle Join Date: Jul 2007 Posts: 7 Thanks: 0 Thanked 0 Times in 0 Posts	in my opinion i think seo is sub set of SEM. SEM is univerese . seo <-- about optimize only search engine for good ranking.