1. An information interface system, comprising: a speech recognizer arranged to listen to telephone voice signals carried on a telephone communications channel between a user and another person, and to recognize at least one or more predefined keywords or phrases contained within the voice signals; a keyword processor arranged to relate recognized keywords or phrases to items of information stored in an information database to identify relevant items of information thereto; information display means arranged to display items of information and/or links thereto identified by the keyword processing means to the user; and speech recognition control means arranged to automatically activate the speech recognizer in response to an operating system event automatically generated when a caller identification phase is completed.