OpenStreetMap
Flickr have starting using OSM data for Sydney, Melbourne, Brisbane, Adelaide and Canberra. Details here: http://blog.flickr.net/en/2008/09/29/australian-firsts-and-more-mappy-goodness/
Here's what Brisbane looks like: http://www.flickr.com/map?&fLat=-27.4753&fLon=153.0262&zl=3
Discussion
Comment from Ævar Arnfjörð Bjarmason on 30 September 2008 at 03:33
It's great that they're following up the Beijing Olympic map with a more general rollout. I can't wait for an OSM map of my area (Reykjavík, Iceland) on flickr.
Comment from awesm on 30 September 2008 at 12:03
A very pleasing find. Let's hope Canonical get the memo.