PRESENTING RELATED COMMUNICATIONS

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for presenting related conversations. In one aspect, it is determined that a portion of a conversation thread includes an exchange of messages between fewer than a predetermined number of conversation participants. Based on determining that the portion of the conversation thread includes the exchange of messages between fewer than the predetermined number of conversation participants, a conversation view can be generated that that includes a flattened representation of the portion of the conversation thread.