Native advertising is growing rapidly due to its effectiveness on mobile and social platforms. It has higher conversion and engagement rates than traditional ads. Many internet companies are seeing success with native ad formats like Facebook's newsfeed ads, Twitter's promoted tweets, and Pinterest's promoted pins. The analyst projects US internet ad spending to reach $50 billion in 2014, driven in large part by growth in mobile, video, and native advertising. Native ads are a good fit for content-based sites and allow brands to tell stories in a less disruptive way than traditional banners.