This excerpt taken from the AMZN DEF 14A filed Apr 27, 2007.
Eligibility and Participation
Awards may be granted under the 1997 Plan to those officers, directors and employees of the Company and its subsidiaries as the plan administrator from time to time selects. The plan administrator for the 1997 Plan is the Leadership Development and Compensation Committee. Awards may also be granted to consultants, agents, advisors and independent contractors who provide services to the Company and its subsidiaries. The approximate number of persons who currently are eligible to participate under the 1997 Plan is 13,900.