Google Calendar data API

This should be interesting... I can imagine all kinds of interesting hooks being developed to gather and publish content from Google Calendar. I hope someone quickly comes up with a widget of some type that pulls an RSS feed based on a number of variibles such as daily, weekly and monthly... I need this today... :-)

Google Calendar data API:
Last week, there was Google Calendar. This week, developers can start writing code that uses it. Enter the Google Calendar data API, which can be used to write external applications that query, create, and update Google Calendar events, so they're available to Google Calendar users or other API-enabled applications.
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From the Google Blog