What is postmedia network inc? Postmedia Network Inc. provides E-marketing services. The Company offers content, digital display, web development, advertising, and printing solutions. Postmedia Network serves customers in the United Kingdom. Terms of Service Trademarks Privacy Policy ©2021 Bloomberg L.P.How do i sign upunsubscribe from postmedia network inc emails? By clicking on the sign up button you consent to receive the above newsletter from Postmedia Network Inc. You may unsubscribe any time by clicking on the unsubscribe link at the bottom of our emails. Postmedia Network Inc. What is the difference between bloomberg and postmedia? Bloomberg Webinars: Access a broad range of analysis, research, insight & ideas. Postmedia Network Inc. provides E-marketing services. The Company offers content, digital display, web development, advertising, and printing solutions. Postmedia Network serves customers in the United Kingdom.