Women who changed the way we do business —
By Catriona Davies & Lauren Said-Moorhouse, for CNN
From Weight Watchers to Chanel to China's largest recycled paper company, smart women have been behind many of the great businesses of the last century.
We've joined with America's National Women's History Museum -- who've just opened an online exhibition in partnership with Microsoft, charting the achievements of female entrepreneurs over the last hundred years -- to celebrate some of the many women who changed the way we do business.