Digital Synchronization refers to the service of selling and delivering media including advertising and content for digital, whether mobile or online or through a computer, AND radio broadcasting at exactly or near the same time across the digital and radio media platforms, and delivered either nationally or locally or both, through copy-splitting or other localization technology on radio, and IP or zip code or other location based sevices digitally, such that the messages on all platforms arrive at near or exactly the same time, within the same geographic market areas, with messaging that is intended to complement and/or support each other