I recently attended a speaking engagement for a group of professional women in the technology industry. Chatting to them at the event, I was shocked to hear about the apparent ageism, as well as sexism, that some of them had experienced in their working environment.
More information: http://www.theguardian.com/women-in-leadership/2016/jan/18/businesses-are-missing-a-trick-by-writing-off-older-woman