O’Reilly Radar: Why StreetEasy rolled its own maps

"StreetEasy co-founder Sebastian Delmont (@sd) says that when Google told them last autumn that it intended to enforce pricing on its Maps API, the StreetEasy team looked about for more affordable options. Their experience was similar to others who have turned from proprietary systems to open data: It's work to get started, but ultimately you have more freedom to create and innovate."

Guardian: Google Maps reveals disparity in neighbouring MPs’ expenses claims

"A Guardian project using Google Maps has revealed differences of up to £20,000 in neighbouring MPs' travel expenses. ... The MPs' travel expenses data was transformed into an easy-to-read Google Map by Tony Hirst, a lecturer at the Open University and Guardian reader. He picked up the figures from the paper's website as part of Data Store, the Guardian's unique experiment in allowing its readers access to key sets of data."

Spod.cx: Leaked BNP Member List Map

"I have decided to take down the map. Many people have commented that the map does give a false impression of accuracy, despite my making this clear, and I'm tempted to agree. I do not want to single anybody out and by removing the accuracy from the map it is possible that it ends up incorrectly implying a property contains a BNP member. It has been suggested that an inaccurate map that doesn't make that clear is worse than publishing the list itself, and I think that's a reasonable comment."

Inside Guardian.co.uk: guardian.co.uk goes geotagging and gets Google maps

Paul Carvill: "We have published our first article containing geolocation data! We introduced this feature in the US Elections blog pages to track our reporters as they travel with the presidential election campaigns. On those pages you can see a Google map with the points marked where our reporter wrote a blogpost. ... . We are using the GeoRSS Simple location encoding standard."