MacCentral - Apple Chief Financial Officer Peter Oppenheimer was a featured presenter on Thursday at the Goldman Sachs Technology Investment Symposium, held at the Arizona Biltmore Resort & Spa in Phoeniz, Ariz. During the half-hour session, Oppenheimer answered questions about the iPod's "Halo" effect, the importance of the Mac mini, Apple's continued retail efforts and other issues facing the company.{br}{br}View the Entire Article (http://us.rd.yahoo.com/dailynews/rss/tech/*http://story.news.yahoo.com/news?tmpl=story2&u=/mc/20050225/tc_mc/applecfomusesonipodhaloeffectmacminimore){br}