At the GoogleSearch Central Live event held in Singapore a few days ago, Google Webmaster trend analyst Gary Illyes said that 60% of the content on the Internet is duplicated. It’s a well-known fact that there is a lot of duplicate content on the Internet. The question is how big. As the largest and most popular search engine, Google has its answer. Of course, everyone wants to know how Google defines “duplicate content”. It’s 100% perfect…