Today's post was written by contributing writer Marie Williams.A couple of weeks ago socialTNT attended Girls In Tech's Femme-Power roundup, a gathering for professional women and female leaders. While there, we had the pleasure of speaking to BusinessWeek's Sarah Lacy. In today's "3Q's in 3Min," Sarah shares her thoughts on issues affecting women in the business world, and explains how women are selling themselves short. Today marks a huge achievement in Sarah's career, the publishing of her book on web 2.0 moguls, "Once You're Lucky, Twice You're Good: The Rebirth of Silicon Valley and the Rise of Web 2.0." You can find Sarah in her "Valley Girl" column in BusinessWeek or as a co-host on the recently launched Tech Ticker spot on Yahoo! Finance.Sarah also achieved brief notoriety last March from her now infamous--and highly played-out--Mark Zuckerberg interview at SXSW. Whether you like her or not, Sarah is an important female figure in the tech industry and provides invaluable insight into the conundrum many of us face as professional women.When it comes to the workplace, Sarah says women don't believe in themselves enough and should be more aggressive and self-promotional. As a woman, I tend to agree with her. I often struggle with tooting my own horn or spotlighting my capabilities. Sarah sees this as the reason why women don't have as large a footprint in most industries.>> Continue Reading >> Less