1. A computer-implemented method for combining extracted personas with respective associated content during a chat session, the method comprising: displaying a first-user persona associated with a first user and at least a second-user persona associated with a second user; creating a plurality of first-user scenes, wherein creating a given first-user scene comprises: receiving respective first-user content-balloon text; extracting a respective contemporaneous first-user persona from a first video of the first user responsive to receiving the respective first-user content-balloon text; and associating the respective contemporaneous first-user persona with the respective first-user content-balloon text so as to associate a respective expression of the first user with the respective first-user content-balloon text; transmitting the respective first-user content-balloon texts and the respective contemporaneous first-user personas associated with the plurality of first-user scenes into the chat session; sequentially displaying the plurality of first-user scenes, wherein displaying a given first-user scene comprises (i) serially displaying the respective first-user content-balloon text and (ii) updating the displayed first-user persona with the respective contemporaneous first-user persona that is associated with the respective first-user content-balloon text; receiving a plurality of second-user scenes, wherein a given second-user scene associates a respective contemporaneous second-user persona from a second video of the second user with respective second-user content-balloon text; and sequentially displaying the plurality of second-user scenes together with the displayed plurality of first-user scenes, wherein displaying a given second-user scene comprises (i) serially displaying the respective second-user content-balloon text and (ii) updating the displayed second-user persona with the respective contemporaneous second-user persona that is associated with the respective second-user content-balloon text.