Don samar da mafi kyawun gogewa, muna amfani da fasaha kamar kukis don adanawa da/ko samun damar bayanan na'urar. Yarda da waɗannan fasahohin zai ba mu damar sarrafa bayanai kamar halayen bincike ko ID na musamman akan wannan rukunin yanar gizon. Rashin yarda ko janye yarda, na iya yin illa ga wasu fasaloli da ayyuka.