Pedzisa mutsara unotevera: Mutungamiri wechi 44 weUnited States Barack Obama akaisawo seimwe yemabhuku ake aanofarira a2019, ayo muongorori wenhau Avi Asher-Schapiro akataura sechisarudzo chinonakidza, sezvo bhuku iri richitsoropodza zvikuru musuo unotenderera wevashandi pakati peGoogle neHurumende yaObama uye kushandiswa kwemashoko ekuongorora neHurumende.
Makwikwi a2008 na2012 aObama okurwisa vavhoti.