"We can see anything bigger than 10 centimetres by 10 centimetres," said the City of Sydney's spatial information co-ordinator, Matthew Dobson, adding that the aerial shots are soon to be updated. "A number of councils have E-View or similar programs. You just couldn't get by without them."
http://www.theage.com.au/news/technology/beware-council-is-spying-on-you/2008/09/17/1221330978487.html