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How would you solve this problem in general? This is a tough one. I don’t think you could rely on automated algorithms that rely on clickthrough volume, because truly awful news would (I think) get a relatively high CTR. You could attempt to quantify each item based on some multidimensional matrix including such fuzzy criteria as “pleasantness” and “business-friendly”, but how to do that? Keyword analysis? If you have the word “cancer” in the title or blurb, you get -9 Pleasantness, and -14 Business Friendly? How many keywords would you need to seed your keyword comparison database with? How would you seed it? Community information sharing portal? Crawling UrbanDictionary.com for their keywords?