Hearst’s new vertical video ads take a vertical cue from Snapchat

Vertical video has become ubiquitous in the world of apps and social media. Now, it’s bringing a new shape to ads as well: Hearst last week launched a new full-screen, vertical video ad on its mobile websites. Hearst is serving the new vertical video format to its mobile sites through direct deals with brands, and it’s delivering them through its Media OS platform, according t ...Read the full article