Both companies automate many channels , although XM has some live programming anchored by disc jockeys who can field requests , and Sirius airs live in-studio performances and interviews .
Both companies automate many channels , though XM has some live programming , and Sirius airs live in-studio performances and interviews .
ideo concept generation technique; graphically represent the flow of information and activity through all phases of a system or process; good for bottleneck identification