The UCLA Mellon Seminar in Digital Humanities has come up with a A Digital Humanities Manifesto which is worth reading. It starts with,
Digital humanities is not a unified field but an array of convergent practices that explore a universe in which print is no longer the exclusive or the normative medium in which knowledge is produced and/or disseminated.
I am reminded of the Victoria Manifesto that a bunch of us put together at the University of Victoria. Manifestos are a particular type of document that can be used to convey a call for change.