Google has just released a preview of Mapplets, essentially gadgets for their maps. In practical terms it allows me to see Google trends on a map, check local gas prices, consume georss feeds, or see a heatmap visualization of Zuerich Travel times.
So what are Mapplets? Google explains:
They have also proposed some changes to KML and ATOM that would support attribution to authors and a return URL for the content hosters. Right now. You can see an example here.
This is making Google Maps a mashup platform, but they know that they don’t want to be the only data provider or the only mashup. That’s why the attribution is so important. Most mashups are fighting to be found. Google is now providing them yet another way to do that.