1. eDiscovery Defined and Explained

Please explain what eDiscovery is and its purpose.

2. Explain the "Duty to Preserve"

Please explain what this Duty to Preserve is as explained by Judge Scheindlin in the Zubulake decision.

3. Litigation Hold

In the Zubulake decision Judge Scheindlin states that "as a general rule, that litigation hold does not apply to inaccessible backup tapes (e.g., those typically maintained solely for the purpose of disaster recovery), which may continue to be recycled on the schedule set forth in the company's policy."

Please explain the exception to this general rule as stated by Judge Scheindlin and how it applies in the Zubulake case.