Duba zuwa sashi a kasa, sa'an nan kuma amsa tambaya a baya a cikin wannan harshe kamar yadda sashi: Passage: Big data analysis taka leda a babban rawa a Barack Obama ta nasara 2012 sake zaben yakin neman zabe. Tambaya: Abin da ya taimaka Barack Obama ya zama shugaban sake a 2012?
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