Spin Rewriter 9 rewrites content on paragraph, word and sentence level. It also turns sentences around and makes sure that only appropriate synonyms are used. Aaron added a special ARTICLE GENERATING ALGORITHM to Spin Rewriter 9.0. This algorithm makes sure that the generated articles are even more unique, and even more readable — if that was even possible!
This will no doubt seem very obvious to many people and for others it will send a shudder of fear down their spine! But if you want to make money online, be an affiliate marketer or a well known blogger, then there really is only one way to do it. The best way to get ranked and make money online is to do must things manually. Sure, there are legit shortcuts and additional tools that can make the process faster. But in general if you are looking to create content for your website, then you need to learn the correct way of doing it.
Imo it is not possible for google to detect properly spun content, it is not worth computing power it requires. They can do this using ngrams for example, but it is uses a lot of queries. And for example article spinner I coded beats this algo, so google cant detect that the content is spun. Manual spinning is also good but it takes more than 30 minutes per article.