Content marketing is the backbone to build social relationships, and the best way to engage with the public nowadays is by using social media. With a stock of good contents, any business owners can ensure their brands to get success in the media. However, in order to keep up with the latest updates of the digital era, marketers and public relations need to know how content marketing has evolved over the years. Take a look at this slide to get a glance about the evolution of digital public relations with content marketing: