Transliteracy

Transliteracy is defined as:

'the ability to read, write and interact across a range of platforms, tools and media from signing and orality through handwriting, print, TV, radio and film, to digital social networks'

Many forms of digital fiction require readers and writers to be transliterate.

See:
Tranliteracy Research Group

Transliteracy - Reading in the Digital Age, by Sue Thomas

transmediaTracker - tool and community for tracking stories across platforms

Also see:
Social networking and fiction
Collaborative fiction