The document discusses media vehicles in the digital world. It defines the digital world as the internet, mobile world, and convergent world. Media vehicles are the specific mediums used to deliver advertising messages, and in the digital world they include online news channels, blogs, SMS, Twitter, YouTube channels, websites, banners, online portals, search engines like Google Adwords, and mobile SMS. The digital world offers advantages of both one-to-one personalization and mass communication. Studies have shown that publicity is more effective on social media than traditional online media due to perceptions of sender credibility.