This excerpt taken from the AMZN 8-K filed Sep 18, 2007.
The inspectors of election shall:
(a) ascertain the number of shares of the corporation outstanding and the voting power of each such share;
(b) determine the shares represented at the meeting and the validity of proxies and ballots;
(c) count all votes and ballots;
(d) determine and retain for a reasonable period of time a record of the disposition of any challenges made to any determination by them; and
(e) certify their determination of the number of shares represented at the meeting and their count of the votes and ballots.
The validity of any proxy or ballot shall be determined by the inspectors of election in accordance with the applicable provisions of these Bylaws and the DGCL as then in effect. In determining the validity of any proxy transmitted by telegram, cablegram or other electronic transmission, the inspectors shall record in writing the information upon which they relied in making such determination. Each inspector of elections shall, before entering upon the discharge of his or her duties, take and sign an oath to faithfully execute the duties of inspector with strict impartiality and according to the best of his or her ability. The inspectors of election may appoint or retain other persons or entities to assist them in the performance of their duties.