29. At least one computer readable recordable medium encoded with instructions that, when executed, perform a method comprising: providing to a multiplicity of users a presentation; streaming streamed speech to a first user including individual speech from at least one other user participating in the presentation; detecting whether the streamed speech contains simultaneous speech resulting from two or more users speaking simultaneously; and displaying, to the first user during the presentation, text of the streamed speech in response to detecting that the streamed speech contains simultaneous speech resulting from two or more users speaking simultaneously, wherein the two or more users speaking simultaneously comprise a second user and a third user, and wherein the displayed text comprises text corresponding to individual speech from the second user and text corresponding to individual speech from the third user.
31. The at least one computer readable recordable medium of claim 29 , wherein detecting whether the streamed speech contains simultaneous speech resulting from two or more users speaking simultaneously comprises determining whether a period of individual speech from the second user overlaps a period of individual speech from the third user.