Graphical Chat

Space

Graphical text based systems tend to be either avatar or symbol based. Some of the more popular graphical chat systems today are the Palace, VChat, and Comic Chat.

People in the space are represented by an avatar or a symbol. This may be a picture of the person, their head, their favorite cartoon character, or any image they create. Some systems like the Palace allow the user to write simple scripts to manipulate and change the images. This is meant to enhance the expressiveness of the avatar to different situations.

In most of these spaces the user uses the mouse or other input device to move their representation within the space. (In Comic Chat the system determines where to place the characters based on who is speaking.) The graphical aspect of these interfaces influenced how people used them. One interesting behavior that emerged was that people speaking to each other moved their avatars closer together. This helped focus the field of attention for those participating in that conversation. Had this been a text-based interface, one would tend to read more than just the messages they were most interested in.

The graphical properties of these systems make it salient that there are members occupying a space. When people are conversing, one sees several avatars in the same space and creating an implicitly shared space.

Time

The conversation in these graphical systems is synchronous.

Interface

The interfaces of these systems create different usage patterns. For example, with Comic Chat, only those that are actively speaking apear in the chat space. This sometimes leads people to send a message just to see themselves in the space.

With the Palace, a background is placed that often connotes how the space is used. If the background is an image of a living room, it might imply that it is for social casual conversations. If it is an image of a jacuzzi, it might imply a party-like atmosphere with more subversive subject matters. It is interesting also how people occupy the space. In the living room scenario, avatars would cluster around the couch. Some users would even create different avatars that looked perspectively correct sitting in certain locations. This makes for an interesting image, is interesting to consider what a sitting space is for a two-dimensional avatar.

An altogether different approach was taken by the Chat Circles system. With Chat Circles, each user is represented as a circle of a chosen color. As they type their message, the size of the circle is mapped to the length of the message. From this, you begin to see the dynamics of a conversation, i.e. how often people speak, who speaks, how much they say, etc. Since people move their own circles, they can form clusters for different topics or threads of conversation.
chat circles(shows dynamics of people as they talk and move and form clusters)
these differences in movement direct the function. The system also incorporates this notion of a hearing range. That is, one can hear or see the messages within a certain radius about them, but not those in the distance. This is similar to how one might participate in a conversation if they were at a party. Chat Circles also has a history interface. This visualization allows one to go back and view the conversations they were privy to while there were on the system.

Figure X. Snapshots of the Palace (upper left), Chat Circles (upper right), and Comic Chat (lower image).