Spencer Stuart began its annual CMO tenure study in 2004 and uses the Advertising Age list of top 100 advertised brands as its initial list of companies to survey.

FORBES: CMOs Are Staying on the Job Longer Than Ever

As part of the compromise, ICANN also agreed to conduct a broad study of the initial election and the implications for selecting future at-large candidates.

CNN: Group overseeing Internet changes sets its election rules