Subscribe: http://www.mamamia.com.au/ Oh. Oh. Ohhhhhhpprah. It’s been almost five years since our life coach overlord has actually filmed a show but she’s still kicking. On the eve of her Australian tour we dive into the cult of Oprah. KPI’s are generally used in the workplace to measure performance, but should they be used on your partner?And are the days of bikini models draped seductively over cars numbered?