There is also the option to spin capitalized words (assumed to be proper nouns) as well as leave any number of words unchanged, depending on whatever you enter into the "ignore" field, separated by commas. You also have the option to only keep the sentences that were altered a minimum percentage, as indicated by the "Keep Sentences that Changed" option.
To see the improvements Spin Rewriter 6.0 has made over its previous versions you should definitely check out the video on their sales website. And if it takes your interest and you are wishing to test out such an article spinning tool to create content for your website. Then there is a 5 day free trial you can take advantage of and will help you decide if it is any use to you and your content creation needs!
Being able to take a well written article and spin it into a similar yet unique content can be useful when wanting to place articles at other online resources with backlinks to the original source website. Creating backlinks to a main website from same niche articles is a fantastic way to gain relevant backlinks and therefore increase search engine rankings and website authority.