What is LINQ...

LINQ is a codename for "a set of extensions to the .NET Framework that encompass language-integrated query, set, and transform operations". But what does that mean? This document as authored by Don Box and Anders Hejlsberg describes in relative detail what is LINQ. Basically, with C# 3.0, developers will be able to write rich queries for accessing .NET Types, Database (DLinq) and XML (XLinq) using a consistent C# shorthand – this stuff looks really interesting. When will we see it for real (released); that is the unknown?