By now, most people in the SEO industry are more than familiar with the various animal named updates that have made it nearly impossible to rank without high-quality content. One of the most famous ones is Google Panda, which directly targets on-site content quality and severely penalizes sites that have spelling and stylistic errors or were not edited well.
Spin Rewriter 9 is probably the best product in the market… I get great EPCs promoting it and, what is most important to me is that my clients actually love the product. Very low cancellation rates & practically no refund rates. All around it’s a fantastic product — if it fits your business at all, then you definitely have to get on board & promote it!