What is Google New Rich Snippets Penalty: Updated Caution from Google for SEO Analysts

Recently Google has started issuing manual penalty for websites based on the genuineness of the rich snippet. They are mostly targeting websites with fake and spam looking rich snippet. Few of the websites have started getting an alert message in their website tools from Google. The displayed message reads: "Markup on some pages on this site appears to use techniques such as marking up content that is invisible to users, marking up irrelevant or misleading content, and/or other manipulative Read more [...]