I work for Oracle as a product manager in the .NET technologies group. I typically answer questions about Oracle's .NET interfaces to Oracle Database including ODP.NET and Entity Framework. If you are desperate for an answer and are not getting it on Stack Overflow, try searching for it and then posting it on the OTN forums:
http://forums.oracle.com/forums/forum.jspa?forumID=146
Oracle .NET Youtube Channel:
http://www.youtube.com/user/OracleDOTNETTeam
Oracle .NET Twitter:
https://twitter.com/OracleDOTNET
Oracle .NET Homepage (downloads, news, whitepapers)
http://www.oracle.com/technetwork/topics/dotnet/whatsnew/index.html