When discovery moved out of the filing cabinet and onto desktop computers and servers, it became e-discovery. Today, as the field expands beyond "traditional computers" to include cloud computing, data from smartphones, and recording devices in cars, a new era is dawning: E-Discovery 2.0. In an article Ira P. Rothken authored for California Lawyer Magazine he discusses five types of high-tech devices that are sure to test the rules of privacy, proportionality, preservation, and burden in e-discovery.