cross-media
From Longman Business Dictionarycross-mediaˈcross-ˌmedia adjective [only before a noun]TELECOMMUNICATIONSMARKETING using or involving two or more different forms of media (=ways of communicating information or news to people, such as newspapers, television, or the Internet)a cross-media advertising campaignGovernment restrictions on cross-media ownership will prevent national newspaper owners holding more than a 20 percent stake in television companies.