Champ Car World Series acronym for "Data Acquisition Geek," a computer expert who maintains a team's Data Acquisition system and analyzes the data. Teams use sophisticated sensors, transmitters, computers and software to provide information regarding the car and the driver actions, or inaction. Everything from engine stress to the driver's heartbeat can be monitored. The information is analyzed to improve handling, performance and even driver technique. Data can be acquired by connecting a computer to the car or by wireless telemetry.