Last of the present series of The Computer Programme.  10: At the End of the Line:  Someone, somewhere ... might have a message for you or some information you might want, or some computer software you could use. Getting 'Telesoftware' could involve using the telephone line or your television aerial. Ian McNaught-Davis and John Coll look at the use of the micro in communications. If you have got a BBC microcomputer, have a cassette tape-recorder with a microphone ready to receive an end-of-series message.