Knotch  Knotch has patented its color-based feedback system knotch screenshot measurement 1 Knotch promises marketers a better way to collect user feedback about the effectiveness of their sponsored content. Now it’s announcing that it has received a design patent for its approach. Basically, when a sponsored article uses Knotch, a survey question pops up at the end, which is supposed to help advertisers assess your state of mind after reading the article. The big difference… Read More

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