Miti yomuouki mikuru yokuCalifornia yakatemwa nemazana ezviuru nehosha yakatanga kushumwa muna 1995 ndokunzi “rufu rwakamwe kamwe.” Kuti uwane maonero akajeka nezvechirwere ichi, masayendisiti eUC Berkeley akagadzira smartphone app yevanofamba uye vamwe vanoda zvisikwa kuti vataure miti yavanoona yakangoerekana yafa muoki.
Kuti uwane rumwe ruzivo nezve app, zvainoita uye kuti ungaiwana sei, shanya OakMapper.org.