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Mozilla is testing a new built-in \u201cReview Checker\u201d feature for its Firefox browser that rates how reliable a product\u2019s customer reviews are. The experimental feature was initially spotted by MSPowerUser<\/em><\/a>, <\/em>and Firefox\u2019s senior director of product management Byron Jourdan confirmed that the company is testing the functionality \u201cwith a limited audience in the United States,\u201d in a statement given to The Verge<\/em>. <\/p>\n<\/div>\n Firefox\u2019s Review Checker is now preparing to give users the tools to weed out unreliable reviews. Screenshots posted by MSPowerUser<\/em> show how the tool is accessible via a price tag icon in the browser\u2019s URL bar, which brings up a sidebar with details on the current open product page. The tool assigns the product\u2019s reviews a grade based on how reliable it believes them to be, offers an \u201cadjusted rating\u201d out of five stars with \u201cunreliable reviews removed,\u201d and pulls out some highlights of the existing reviews.<\/p>\n<\/div>\n The Review Checker feature is powered by technology from Fakespot, a company Mozilla acquired earlier this year<\/a>. The company \u201cuses a sophisticated artificial intelligence (AI) and machine learning (ML) system to detect patterns and similarities between reviews in order to flag those that are most likely to be deceptive,\u201d Mozilla said when it announced the acquisition, noting that it planned to integrate the technology into its browser to \u201cmake Firefox customers the best equipped to cut through deceptive reviews.\u201d<\/p>\n<\/div>\n Fakespot already offers its review checking services via its website<\/a>, extensions for browsers like Chrome<\/a> and Safari<\/a>, and iOS<\/a> and Android<\/a> apps. When it announced the acquisition, Mozilla said Fakespot would continue to work \u201cacross all major web browsers and mobile devices.\u201d But being offered as a built-in Firefox feature could be a huge promotional boon for Fakespot, and bring it to the attention of many more users.<\/p>\n<\/div>\n Although it\u2019s currently testing the feature, Mozilla\u2019s Jourdan says the company is yet to announce an official release date for the feature. \u201cWe will continue to test and see if this is one of the ways where we can help improve people\u2019s online experience,\u201d he said in a statement.<\/p>\n<\/div>\n