For example, textual messages might be both easier to enter by keyboard and Co read on a CRT screen than speaking to a recording machine and listening Co a recorded message. However, social chatting might be best over the telephone. However, arranging a dace with a stranger might be less revealing if done in the textual mode. Considerable opportunities exist for basic research to explore the suitability of these alternate modes for different c o ~ n i c a c i o n s applications.
