MAC Cosmetics plans to capitalize on consumers' rising, and many say reality TV-induced, interest in fashion and their curiosity about the shows behind the scenes. For the first time in the 15 years it has sponsored Fashion Week, the company is exposing its backstage goings-on at New York, London, Milan, and Paris shows via Twitter.

 

Through a Facebook widget set to launch sometime next week, fans will be able to access tweets from individual pro-team MAC artists who will have to ...