The ABC has recently posted this piece, that discusses whether Garrett was a "silent voter".
http://www.abc.net.au/news/newsitems...6/s1129014.htm
Although our major daily paper up here in QLD, The Courier Mail (who broke the enrolment story) said the AEC only consider people whose lives are at risk, such as those in the witness protection program, to be classified as silent voters, not celebrities.