This is an expert system that handles mundane mental chores. It records anything you sense or do for later playback, reminds you of appointments, keeps lists of names and addresses and similar stuff that makes you seem to be a neat, organized person. It functions as an internal radio modem and personal computer. It can record and download your sensory impressions as if you were a living movie camera. It also gives centralized control of your cyberware, allowing you to configure all systems at will, without spending an action to do so. Finally, your secretary has a mobile phone and answering service.
Operatives for shadow organizations are often fitted with secretaries whether they want to or not. Such a secretary is often molded to a BehaviorChip or BlackBox. Some also have obnoxious personalities of their own.