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Its initial intent was to change the results we receive, so we can decide faster on what’s relevant to our search. If they search for a certain person, you’ll get snippets that would help you differentiate results. If they happen to search for a product or a place, they can receive additional information regarding reviews and ratings. They immediately can spot if the content is relevant to their query or not. It gives the user a convenient snippet of information based on the content that’s on the site you’re about to access if you decide to click on the result. The Rich snippets were implemented by Google to help users identify the websites and their content quicklier by displaying pieces of content in search results called snippets. In the intricate world of web optimization, the web owner knows every piece of content and every corner of its website. But after the Google+ photos being deleted from the SERPs, based on the same cluttered removal concept, I would expect a removal of the rich snippets from the search results. We can also presume that they took this action after a lot of testing which provided the information that users can live without the authorship pictures. In other words, Google wants to improve the user experience and clean its SERPs of any cluttering visual designs. We’ve been doing lots of work to clean up the visual design of our search results, in particular creating a better mobile experience and a more consistent design across devices.
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One official explanation was given by John Mueller on a post from his Google+ account: Not long ago Google decided to remove Authorship photo’s from the results page in order to create a homogeneous and uniform look. In a world where Google tries to make the SERP a safer place for its users, it seems SEO’s are exploring any opportunity in order to squeeze more visibility.
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