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.
He saw a trainer nearby and inquired why these animals made no effort to get away and just stood there. “Well,” trainer said, “when they are quite young and much smaller we use exactly the same size rope to tie them and, at that age, it’s enough to hold them. They are conditioned to believe they cannot break away, as they grow up. They believe the rope can still hold them, so they never try to break free.”
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