via Advertising Age - DigitalNext

http://adage.com/article/digitalnext-a-blog-on-emerging-media-and-technology/pinterest-meets-marketers-evolving-business-model-clearer/241683/?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