DuckDuckGo sī chi̍t-ê chhiau-chhōe en-jín, kóng-kioh pó-hō͘ chhiau-chhōe-chiá ê su-lō͘ (privacy), bián-tit kò-jîn-hòa ê chhiau-chhōe kiat-kó chō-sêng ê kòe-lī phoh (filter bubble, pí-lūn Google kun-kù iōng-chiá chu-liāu pâi-lia̍t kiat-kó).