2. The system of claim 1 , wherein the first device display area is related to display of most recent message content and the second device display area is related to display of older message content older than the most recent message content.
3. The system of claim 2 , wherein the determining the second layout is performed in response to receiving newer message content newer than the older message content, and wherein the selectable ratio results in a corresponding minimum number of rows of text that are displayed in conjunction with the message element at the second token value.