Just as EqualPay Day brings attention to the disparity in pay for men and women, it could be useful to also establish an Equal Housework Day to benchmark the progress men are making performing household and caregiving tasks.
These latter measures could begin to get companies to be proactive about equalpay, not just asking them to deal with it at the point that a lawsuit is brought against them.
Demand EqualPay for Women is just a page of data, though its developers have done some of their own calculations on top of the public data, and the site has some good statistics: closing the gender pay gap, they say, would add half a trillion dollars to the consumer economy.