Google Mapplets

Google has a preview available of their mapplets along with some documentation. Here’s a screenshot of the weatherbug mapplet:

With the custom markers and search form available it may be interesting to throw together a mapplet for worldcat or a local consortia, plotting the libraries that carry the item and possibly status if available. You could probably do color coded markers to give a quick glance of status. Maybe someone with more time than me will mock something up.