Our range of media choices, our viewing control, and our access to the media have all been increased by

Our range of media choices, our viewing control, and our access to the media have all been increased by technologies.
Media includes everything from television, radio, and film to games, but also social media,like twitter, facebook, Instagram...
New technologies enable new types of media. the computer and telecommunication technologies have led to online social media. 

I think 'race' can fit here.