Updated the README file to describe JSON-LD in more detail.
--- a/README Thu Oct 14 15:10:10 2010 -0400
+++ b/README Thu Oct 14 15:27:20 2010 -0400
@@ -1,2 +1,42 @@
-This is the main source code repository for the JSON-LD website.
+Introduction
+------------
+
+JSON-LD (JavaScript Object Notation for Linked Data) is a lightweight Linked
+Data format. It is easy for humans to read and write. It is easy for machines
+to parse and generate. It is based on the already successful JSON format and
+provides a way to help JSON data interoperate at Web-scale. If you are already
+familiar with JSON, writing JSON-LD is very easy. There is a smooth migration
+path from the JSON you use today, to the JSON-LD you will use in the future.
+These properties make JSON-LD an ideal Linked Data interchange language for
+JavaScript environments, Web services, and unstructured databases such as
+CouchDB and MongoDB.
+
+A Simple Example
+----------------
+
+A simple example of a JSON object with added semantics:
+
+{
+ "#": {"foaf": "http://xmlns.com/foaf/0.1/"},
+ "@": "<http://example.org/people#john>",
+ "a": "foaf:Person",
+ "foaf:name" : "John Lennon"
+}
+
+The example above describes a person whose name is John Lennon. The difference
+between regular JSON and JSON-LD is that the JSON-LD object above uniquely
+identifies itself on the Web and can be used, without introducing ambiguity,
+across every Web site, Web services and databases in operation today.
+
+The Specification
+-----------------
+
+If you are a developer, you may be interested in the latest WebID specification:
+
+http://json-ld.org/spec/latest/
+
+A list of all previous specification drafts is also available.
+
+http://json-ld.org/spec/
+