Not only the volume of information subject to e-Discovery is exploding; now the formats for that information are, too. So even as companies still struggle to pore through electronic libraries of text, e-Discovery of audio and video material is coming up fast.

Reliable statistics are still hard to find—one IDC report from last year says the “digital universe” will increase by a factor of 300 from 2005 to 2020—but without question, the audio and video files now subject to e-Discovery are surging. “We’ve seen a dramatic spike,” says Todd Horst, executive vice president with Consilio, an e-Discovery software vendor.