Official Google Maps API Blog: Creating Dynamic Client-side Maps Mashups with Google SpreadsheetsPosted by Pamela Fox, Maps API Team In the past, only those privileged few developers with access to server-side scripting and a database like MySQL were able to create easily updated dynamic maps mashups. With the introduction of the Google Spreadsheets Data API, all of that has changed. Like the other GData APIs, the spreadsheets API has an optional JSON output. If you don't know about JSON, it'
