Dec 4th was Open Data Day and coders across the globe were pushing, pulling, analyzing and scraping open data. This is what I came up with. I'm querying Mecklenburg County, NC's (Charlotte) building permit records and showing them on google maps.
See my blog post for full details - http://geojason.info/2010/open-data-day-hack/
See it in action - http://jasonsanford.github.io/open-data-day-hack/