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I own Simply Bags and have been sending sample bags to bloggers as a link building strategy.  The following four links are a sample of recent product reviews. http://bit.ly/Mk6Z1t http://bit.ly/Mk6Smq http://bit.ly/Mk7atN http://bit.ly/Mk7wR8 Product reviews were considered a good link building strategy.  After Panda & Penguin is Product Reviews still a good strategy? Please comment on the quality of the four sample links. Thanks 
Bob Shirilla

I was hit by Google’s latest Page Rank update.  I know “don’t be obsessed with Page Rank”, but it concerns me.  I thought that I was developing a very good link profile and actually was hopeful that it would go to a PR-5 and it dropped to a PR-3.  www.simply-bags.com I have another site www.keepsakes-etc.com and have done very little link building and it also dropped to a PR-3. Can anyone give me some honest feedback about my concern?

Will the NoFollow link in this article help my rankings in Google? http://www.inc.com/articles/201109/business-intelligence-software-for-small-business_pagen_2.html

I have 2 eCommerce sites and question the value of trust symbols such as McAfee & BBB – Would the addition benefit me in rankings or conversions?

I can get a link from this site, but it has a DA=39, Dmr=3.37, Dmt=3.39 and a Page Rank=0