Ever since the dawn of man -- or when I started in the business, which is more or less the same thing -- every sensible advertising executive has realized in his or her heart that a campaign using more than one medium will (all other things being equal) outperform one appearing on only a single channel. TV and radio will always beat TV alone, assuming minimum thresholds are reached. Same with TV and magazines and so on.
AlertMeCreativity and Collaboration
