If you interested to know more about the OData technology, you can
listen to this 2 podcasts http://bit.ly/a8d1TS http://bit.ly/dAsK2y
and surf the http://odata.org website and this MSDN Q&A
http://msdn.microsoft.com/en-us/data/ee844254.aspx
Best Regards,
Emad Mokhtar