But recent reports showed U.S.consumer confidence dipping and consumer spending down as government subsidies to purchase new cars have ended and tax credits for first-time home buyers are soon to expire.

VOA: standard.2009.11.01

And in something like a consumer internet company like Facebook, that constant real time interaction and experimentation is something that the very best entrepreneurs do.

像脸谱网这样的,用户导向型的互联网公司，即时交流，不断试验,是企业家最佳的生财之道。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选