DoubleClick ??? Kevin Ryan ??,???????????????????????????? 18 ? 35 ???,??????????????????

???,?????????????????????????,????????????,???????????????,???????????

?????,?????????????????????????,???????????????,?????????????,Ryan??,???????????????

???,????,????,??????????????????

?????,????????????,??????????????,??????,??????????? 12% ? 20%,?????????????????

????????,??????????,??????????????????????????(Reuters)

http://www.reuters.com/newsArticle.jhtml?type=internetNews&storyID=4437827&pageNumber=1