Justis, this (below) is an example of useful polling. They polled swans seat, he is looking set to lose it!
Polling marginal seats is better than the pointless polling of preferred pm in ranfom seats because not everyone votes for the pm.
http://m.heraldsun.com.au/news/national/wayne-swan-playing-politics-with-jobless-numbers/story-fncynkc6-1226557612836
