Men have more power to set the information agenda, leading to a male bias
13% of Wikipedia contributors are women
List of female porn stars has over 1000 editors and 2,500 edits but list of female poets has less than 100 editors
Women under-represented in science and lack decent biographies, which users assume means she is unimportant - marginalisation becomes circular
Only one page for all 6 seasons of Sex and the City, but 43 separate articles on Top Gear