What Recent and Dramatic Change Has Occurred with Regard to Media

Multiple Choice

What recent and dramatic change has occurred with regard to media planning? 

A)  Advertisers have changed the compensation system for the media planning and buying functions performed by their full-service advertising agencies. 
B)  Advertisers are conducting the media planning function in-house rather than using outside advertising agencies. 
C)  Advertisers are spending dramatically less on media than previously. 
D)  Advertisers are "unbundling" media planning from full service agencies and consolidating this function across multiple brands. 
E)  Media planning is done completely with computer software to eliminate the subjective influences that may result in inefficient media plans.