There is no shortage of valuable data being generated by applications, reports, tools, websites, etc. Unfortunately, this leaves many of us wishing we could programmatically access the data and logic behind an app, report or website. To break down data silos and increase the shared value of data and its associated business logic through the web, Microsoft has recently announced the Open Data Protocol which enable exposing any data source as a web-friendly data feed. Join this session to understand what the Open Data Protocol (OData) is and how it adds end user and developer value to many of Microsoft’s leading products and services (such as SharePoint Server 2010, Microsoft Codename "Dallas", Windows Azure, SQL Server Reporting Services, SQL Server PowerPivot for Excel, Visual Studio, .NET, Silverlight, AJAX etc.) and is accessible from a range of platforms such as Java and PHP.
Taken from here :http://live.visitmix.com/MIX10/Sessions/FT12