Women in technology say they have plenty of opportunities to start Web-based companies and raise capital, though there are still too few of them studying computer science and taking engineering roles.  That’s the message from a group of female executives on “Women to Watch,” which aired yesterday on Bloomberg Television. The special features Facebook Inc. (FB) Vice President Carolyn Everson, SurveyMonkey.com LLC Senior Vice President Selina Tobaccowala, Stella & Dot founder Jessica Herrin and venture capitalist Theresia Gouw Ranzetta from Accel Partners.  Link>>