Some would argue the term is
Electronic-Electioneering or E-lobbying.
I believe Cyber to be
more accurate than e / electronic in talking about Internet activity.
Telephones and fax machines are also electronic.
Cyber-Space is the Internet.
A Cyber-Activist may never use any other medium.
http://technopolitical.blogspot.com/2002/08/techno-politics-and-political-activism_28.html#_edn4