Plenty of research shows that women who stand for election do just as well as their male counterparts: they raise as much money, scoop up as many votes and are no less likely to win.
Perhaps as important, the Internet is a fund-raising tool that allows candidates to quickly scoop up large amounts of money, if they strike a spark with voters, without having to rely as much on the traditional, time-consuming slog through fund-raising events night after night.