GeoJSON has emerged as a popular format for sharing location-based information on the web, and the JavaScript Maps API is embracing this open standard. This means, as a developer, you can now pull raw data from multiple data sources, such as the US Geological Survey or Google Maps Engine and easily display it on your website with this bit of code:

map.data.loadGeoJSON(‘earthquakes.json’);

Visit Google’s blog to read more about it.