广告公司实力传播集团（ZenithOptimedia）称，同三年前相比，这是一个重大转变。那时候，近一半的广告投入流向了电视，而用于数字领域的广告投入仅占14%。
It is a stark shift from three years ago when nearly half of the advertising dollars went to television and just 14 percent went to digital , according to ZenithOptimedia , an advertising agency .
实力传播集团