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LifeinAsia - 1:43 am on Oct 2, 2012 (gmt 0)
Hmmm, a site with fluctuating traffic from Google vs. a site with no traffic from Google. Some... zero... Kind of a no brainer.
Even if Google was sending me zero traffic today, I certainly wouldn't burn any bridges by blocking them. Tomorrow may be a different story.
That said, it would be an interesting experiment to see how much you could build up a site without any traffic from Google.