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-- Google AdSense
---- Google Adds Large Size 300 x 600 To AdSense
matrix_jan - 6:08 pm on Nov 15, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/google_adsense/4519113.htm
I just checked and I have 300x600 listed too, don't know how long it has been there...
Considering my low CTR I'll give it a try...
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