A.video-game players tend to be older
B.females in America tend to enjoy playing video games
C.it is hard to change old stereotypes
D.the video-game industry has grown rapidly
A.to expand business into other fields
B.to embrace mobile devices
C.to develop big-budget games
D.to develop "casual" games
A.demography
B.flexible pricing
C.digital technology
D.cinematic design