‘…the motorcades of two largely interchangeable presidential candidates (Gush, Bore)…’ — Salman Rushdie in Fury (2001)
Among other things, here’s a presidential contest between the Digital and the Traditional:
http://www.guardian.co.uk/world/2012/may/24/obama-digital-advertising-blitz-romney
Related:
http://www.nytimes.com/2008/07/07/technology/07hughes.html?pagewanted=all
http://thecaucus.blogs.nytimes.com/2011/04/29/digital-team-rejoins-obama-campaign/
http://www.nytimes.com/interactive/2012/04/09/us/politics/shift-to-general-election.html