This is the second most important odata commands after $filter. It's also trivial to implement because it's directly translatable to Dynamiclinq without alteration other than escaping it.
Comments: https://aspnetwebstack.codeplex.com/SourceControl/changeset/8b65f6f102b9e336c605f24509bb8cf2d84b9694 introduces support for OData $select and $expand
Comments: https://aspnetwebstack.codeplex.com/SourceControl/changeset/8b65f6f102b9e336c605f24509bb8cf2d84b9694 introduces support for OData $select and $expand