Noma ngubani angaba yisisulu senhlekelele enkulu, noma isimo senhlekelele yomhlaba. Kepha ngendlela efanayo ongaba yisisulu ngayo, ungufakazi kuyo yonke imicimbi, futhi izwi lakho liba ithuluzi elinamandla elingasebenzisana nomphakathi. Ukuba nabo bonke ubufakazi bomuntu ngamunye, nokukwazi ukucubungula lolo lwazi ngesikhathi sangempela ukuze kube nokuhle okukhulu, kungasho okuthile okuhle. Uqala kanjalo-ke Ushahidi.
ubufakazi ( 'ubufakazi " noma «ufakazi»NgesiSwahili), iyinkundla yokuqapha izakhamuzi izehlakalo ezibaluleke kakhulu ezimweni zenhlekelele, eziphuthumayo noma zenhlekelele esifundeni. Ngaphakathi kwe-Ushahidi lonke ulwazi lwesakhamuzi olune-geolocated mayelana nemisebenzi, izindaba kanye nanoma imuphi umcimbi ohlobene nalesi simo okukhulunywa ngaso uhlanganiswe, uqhutshwe futhi uhlelwe.
Umqondo ka-Ushahidi wavela e-Afrika, ikakhulukazi eKenya ngo-2007, ngemuva kokuphinda kukhethwe impikiswano kaMongameli Mwai Kibaki. Ngemuva kokuthi iqembu eliphikisayo lisola inqubo yokhetho ngokukhwabanisa, kwaqhamuka uchungechunge lwezenzo ezinodlame ezazingabhalwa phansi ngenxa yokushoda kwezinkomba ezifundisayo kanye nokucindezela okukhulu kukahulumeni kwabezindaba.
Ngakho-ke, ekuqaleni kuka-2008, ama-blogger kanye nabahleli bohlelo bahlangana emzamweni wokwenza i-Ushahidi, iwebhusayithi ebiza kakhulu eyayikwazi ukuqoqa imininingwane kubo bonke abantu bayo nokuba iwindi elifundisayo ngesimo esibucayi ezweni.
ubufakazi kusekelwe ku izixuku, Ikona umthombo ovulekile, ithuthukiswe ikakhulu ku- PHP ngaphansi kwelayisense I-LPGL, yenzelwe noma yimuphi umuntu noma inhlangano ukusungula eyayo indlela yokucubungula nokubonisa imininingwane ephathelene nesimo sokubaluleka kokubambisana.
Ukuqoqwa kolwazi kusekelwa ngqo ubushoshovu bezenhlalo nobuntatheli bezakhamizi, lapho "ufakazi" ngamunye ekwazi ukuthumela imininingwane yakhe I-SMS, i-imeyili, i-Twitter noma ifomu elifakwe kufayela le- web. Le mibiko yezakhamizi itholwa ngabasebenzi be-Ushahidi, lapho imininingwane i-geocoded futhi ibukwa khona ngokuxhaswa yi I-Google Maps, i-Bing Maps ne-OpenStreetMap. Uhlelo lusebenza nge I-Swiftriver, ithuluzi elivumela ukuhlunga nokuqinisekisa ngesikhathi sangempela lonke ulwazi olwenziwe ku-inthanethi, ukuthola imininingwane ebaluleke kakhulu njengokuhamba phambili bese ulahla izimpinda ezifika ngemigudu ehlukene. Uma sesivunyiwe, sikhonjiswa emephini, esichazwa ngamachashazi abomvu.
Okwamanje, ubufakazi Ingelinye lamapulatifomu amakhulu okuthengwa kwabantu, futhi ukubamba iqhaza kwale webhusayithi emicimbini emikhulu emhlabeni jikelele kuningi, kusuka ekuqapheni ukhetho eMexico, India, Argentina naseVenezuela, ukulandelela amagciwane afana ne-H1N1.
