Businesses are reaching larger audiences and seeing increasing benefits, but the shifting social media landscape makes getting consistent results – and measuring them – an enormous challenge. 虽然企业正在通过社交网络接触更多受众,也正在看到日益增加的好处,但持续变迁的社交媒体图景使得获得持续的成果,以及衡量这些成果,成为一个巨大的挑战。