Protecting IP when an employee leaves

In "How To Protect IP When Terminating Employees," Caroline Horton Rockafellow reccommends
taking inventory of all documentation and electronic information that may contain corporate intellectual property, prior to the termination.
terminating the former employee's electronic access immediately prior to termination or, in the alternative, monitoring access in accordance with company computer policies.
ensuring that the company continues to have access to all electronic records, corporate documents, and notebooks of the former employee
using exit interviews to educate the former employee as to the proper treatment of these assets. Accordingly, an exit interview should be a part of all employee-employer separations. Each employee should be educated