http://www.google.com/insights/search/#q=housing%20bubble&geo=AU&cmpt=q
http://www.google.com/insights/search/#q=house%20bubble&geo=AU&cmpt=q
http://www.google.com/insights/search/#q=australia%20house%20bubble&geo=AU&cmpt=q
And US for comparison -
http://www.google.com/insights/search/#q=housing%20bubble&geo=US&cmpt=q
- Forums
- Property
- the masses are catching on