S3 is a simple key-based object store. When you store data, you assign a unique object key that can later be used to retrieve the data. Keys can be any string, and can be constructed to mimic hierarchical attributes. (Primary Key)
is this a Hash Table?
Jon Udell on the implications. With a service like S3, we could all agree to use Amazon's politically neutral object store (Data Store). With the right wrappers, we could even continue to use our own preferred applications. The notion of Amazon as a politically neutral Digital Identity system is equally intriguing.