TxtBoard consists of an 8-inch touch screen display connected to a dedicated mobile phone via Bluetooth. The mobile phone was hidden within the casing of the device. Messages sent to the phone are displayed on the larger display.
Source: O’Hara, K., Harper, R., Unger, A., Wilkes, J., Sharpe, B., and Jansen, M. 2005. TxtBoard: from text-to-person to text-to-home. In Extended Abstracts on Human Factors in Computing Systems (CHI’05). ACM Press, 1705–1708.
