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We became a charity in December and redirected everything from resistattack.com to resistattack.org. Both sites weren't up at the same time, we just switched over. However, GWT still shows the .com as a major backlinker to the .org. Why? More importantly, our site just got hit for the first time by an "unnatural link" penalty according to GWT. Our traffic dropped 70% overnight.  This appeared shortly after a friend posted a sidewide link from his site that suddenly sent 10,000 links to us. I figured that was the problem, so I asked him to remove the links (he has) and submitted a reconsideration request. Two weeks later, Google refused, saying.. "We've reviewed your site and we still see links to your site that violate our quality guidelines. Specifically, look for possibly artificial or unnatural links pointing to your site that could be intended to manipulate PageRank. Examples of unnatural linking could include buying links to pass PageRank or participating in link schemes." We haven't done any "SEO link building" for two years now, but we used to publish a lot of articles to ezinearticles and isnare back in 2010/2011. They were picked up and linked from hundreds of spammy sites of course, none of which we had anything to do with. They are still being taken and new backlinks created. I just downloaded GWT latest backlinks and it's a nightmare of crappy article sites. Should I delete everything from EZA/isnare and close my account?  Or just wait longer for the 10,000 links to be crawled and removed from my friends site? What do I need to do about the spammy article sites? Disavow tool or just ignore them? Any other tips/tricks?

I have an e-commerce site that sells around 1,500 SKU's.. but there are some huge categories that we really never sell anything in. I'm thinking of deleting a lot of underselling products. When I put it like that of course, you'll probably agree - but I'm hesitant because I have to wonder what Google will think of my site going from (say) 1,000 products and unique URL's to 500.. or lower. Removing that many URL's, products and product categories worries me that we may be viewed as a smaller store and have a negative impact. What effect would you expect from removing a lot of products? Who has done this?