CanWest MediaWorks and Rogers Wireless have even launched a new TV-type service for users of Blackberry devices, called BbTV. Consumers received 30- to 90-second clips from Global TV and Rogers Sportsnet sandwiched between five-second ads. This is one way that ____ forces have jointly influenced marketers.
A.
economic and technological
B.
technological and competitive
C.
competitive and social
D.
social and technological
Answer: B