via Advertising Age - DigitalNext

http://adage.com/article/digitalnext-a-blog-on-emerging-media-and-technology/a-measure-consumer-influence/239777/?utm_source=DigitalNext%3A%20A%20Blog%20on%20Emerging%20Media%20and%20Technology&utm_medium=feed&utm_campaign=Feed:+AdvertisingAge/DigitalNext%3A%20A%20Blog%20on%20Emerging%20Media%20and%20Technology