Article by Jerry F. Barbanel and Thomas W. Avery of Aon Consulting, published in The Metropolitan Corporate Counsel, October 2007
"With the use of electronic discovery on the rise, companies that do not have a full appreciation of the potential complexities that can surface during the process, as well as tactics to overcome these issues, may be confronted with substantial expenses. By understanding these issues, counsel can keep costs down by identifying important factors in advance and preparing for unbudgeted costs. Corrupt or difficult to process data, foreign language data, complicated file types, production planning requirements and multi-party reviews are among the most complex and costly issues that may arise during the electronic discovery process."
Here's the complete article.