Ayyukan lissafi na mutane sunyi babban matsala, karya shi a cikin ƙananan abubuwa, aika su ga ma'aikata da yawa, sannan kuma tara sakamakon.
Ayyukan lissafi na mutane sun haɗu da kokarin da mutane da yawa ke aiki a kan ƙananan microtasks don magance matsalolin da ba zai iya yiwuwa ba ga mutum ɗaya. Kuna iya samun matsala na bincike don dacewa da mutum idan ka taba tunani: "Zan iya magance wannan matsala idan ina da dubban mataimakan bincike."
Misalin samfurin tsarin aikin mutum shine Galaxy Zoo. A cikin wannan aikin, mutane fiye da dubu dubu masu aikin sa kai sun bayyana siffofin kimanin miliyoyin mahaukaci tare da daidaitattun irin wannan zuwa a baya-da kuma ƙananan ƙwaƙwalwar ƙwararrun masanan. Wannan karuwa da aka samar ta hanyar haɗin gwiwar ya haifar da sabon binciken game da yadda tauraron ya fara, kuma ya juya sabon nau'i na tauraron da ake kira "Green Peas."
Kodayake Zoo Zoo na iya zama mai nisa daga binciken zamantakewa, akwai lokuta da dama masu bincike na zamantakewa suna so su tsara, rarraba, ko lakabi hotuna ko matani. A wasu lokuta, kwakwalwa za a iya yin wannan bincike, amma har yanzu akwai wasu siffofin bincike waɗanda suke da wuyar kwakwalwa amma sauƙi ga mutane. Wadannan ƙananan sauƙaƙe ne amma ƙananan kwakwalwa na microtasks da za mu iya juya zuwa ayyukan bincike na mutum.
Ba wai kawai ƙananan microtask ba ne a cikin babban Zoo Zoo, amma tsarin aikin shi ne gaba ɗaya. Galaxy Zoo, da kuma sauran ayyukan ƙididdiga na mutum, yawanci suna amfani da dabarun haɗin kai (Wickham 2011) , kuma idan kun fahimci wannan matakan za ku iya amfani da ita don magance matsalolin matsaloli. Na farko, babban matsala ta rabu da ƙananan ƙananan matsala. Sa'an nan, aikin ɗan adam yana amfani da kowane ƙananan matsala chunk, da dai sauransu. A karshe, sakamakon wannan aiki an hada don a samar da yarjejeniya bayani. Bada wannan batu, bari mu ga yadda aka yi amfani da dabarun tsage-tsaren amfani a cikin Zoo Zoo.