Early in the testimony, which was viewed by Engadget on Courtroom View Network, Zuckerberg was questioned about a document on the effect of feedback on Facebook users. The document stated that "contributors on Facebook are likely to learn to associate the act of posting with feedback" which will "lead contributors to seek rewards by visiting the site more often.” Zuckerberg said he wasn’t “sure if that's actually how it works in practice, but I agree that you're summarizing what they appear to be saying.”
* @return {number} 到达目的地的车队数量
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Турция сообщила о перехвате баллистического снаряда из Ирана14:52，更多细节参见体育直播
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