| 摘要 |
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for facilitating online conversation. In one aspect, a method includes determining that a user has submitted a question to be viewed by trusted participants of an online conversation, wherein the trusted participants include the user, one or more advertisers and one or more social network friends of the user, obtaining a reply to the question from one of the trusted participants, and providing the reply to the trusted participants.
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