Google has introduced another new feature to the users that they can have additional information about the web pages, which comprises reviews, their date and rating. Unfortunately, this feature is still in experimental stage therefore you can’t see that change in Google’s search results.
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Last year, Google has enhanced the snippets for discussion boards and scientific papers when you are extracting the published date from many web pages. Therefore Google has the ability to recognize the structure of a forum thread, find the number of posts and the date of the last post, detect the author of a scientific paper and extract the ratings from all kinds of web pages.
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