Key new features are :
1. Dynamic marker clustering to map more places quicker.
2. Virtual Earth Birdseye and Street View options.
3. Support for spreadsheet data feeds.
4. Custom dictionaries to translate the map interface into other languages.
5. A better interface to manage your map, feed and dictionary settings.
6. Many more customization options.
Pour rappel c’est la solution que j’utilise pour le plan du Festival D’Annecy