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: : : IBM Research : : : Social Computing Group : : : (473 words) |
 | Babble a chat-like communication tool that allows its users to engage in synchronous or asynchronous textual conversations, and provides visual feedback regarding who has recently participated in a conversation. |
| When a user interacts with Babble - either by posting a message, or simply by scrolling or clicking on the interface - her marble rapidly moves towards the center of the circle; with inactivity the marble will slowly drift out to the inner edge of the circle. |
| Second, Babble conversations are persistent: the conversations stay on the server permanently, thus permitting asynchronous conversations and activities. |
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