One of the most deadliest weapons you can possess as a woman, is expert knowledge of whatever field you work in. Sure, being smart, likeable, and efficient are important but, simply knowing information can be a huge value. You should make it a point to continue educating yourself as you advance in your career, because if you do, you become an asset to those you work with. You are better able to do your job, and can help others do theirs. Continuing to read books and articles, keeping up with trends in your field, and knowing about recent developments, will undoubtedly make you indispensable.