When the roofs of three jet hangers in Virginia collapsed under heavy snow and crushed 14 private jets in 2010, the owner of the hangars prepared for the inevitable lawsuits. Landow Aviation preserved about 8,000 gigabytes—the equivalent of about eight new desktop computers filled to the brim—of company emails, documents and other electronic information about every aspect of its operations that it might be asked to produce. After insurers and the aircraft owners started filing lawsuits against Landow during mid-2010, the company identified a batch of about two million electronic documents it would need to sift through for evidence of … Read the full story at The Wall Street Journal.