Matt Cutts released a video explaining that a team of Google is busy planning something like this and soon the webmasters would be be able to track the exact backlinks that are harming the reputation of the website. This can be taken as a good move by Google as the launch of the Disavow tool was rather incomplete without actually knowing which links are harming the site’s reputation. Now, the complete bad link removal package would be ready with the sample unnatural backlinks and the disavow tool.
Also See:-
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Google Tag Manager