GIS Lounge has news on the launch of govmaps.org.
China now has a fully operational World Map, according to GIS Development Lounge.
Google Geo Developers has a post on five great location-based advertising campaigns.
Google Maps Mania highlights a site that uses Google Maps to show historical photographs in their modern physical context.
Mibazaar tells us how to map our twitter followers.
And Urban Tick says some new data has come in from a GPS tracking project in Basel, Switzerland.