Ethnography is a method of research involving the immersive observation of and engagement with a particular culture over an extended period of time. Key skills of ethnography include observing cultural behaviors and practices as well as interviewing members of the culture to understand perspectives. There are ethical considerations around ensuring informed consent and privacy. Examples of famous ethnographies provide insight into specific cultures like an urban neighborhood in Toronto or the lives of African American women. Corporations have also utilized ethnography to better understand customer needs through case studies involving health companies and technology firms.