It's a goldmine, there are 350k datasets available, and a lot of them that will not make some people happy (criminality by geographic zone for example).<p>It opens possibilities to create a really nice multi-factor (e.g. crime, pollution, education) "best place to live" application.<p>A lot of the data is available in a very manageable CSV, sadly some is only available in XLS that may be a bit harder to manipulate programmaticaly.