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https://duck.co/help/results/sources https://duck.co/help/results/sources says they have 400 sources which is special cases like Wikipedia,etc. The core search
by anilshanbhag 8y ago
https://duck.co/help/results/sources https://duck.co/help/results/sources says they have 400 sources which is special cases like Wikipedia,etc. The core search is powered by Bing (Yahoo uses Bing) and Yandex in Russia.