Amazon Web Services launches storage service. Inexpensive, high reliability storage behind a web services interface. It's three interfaces, really: SOAP for people who like SOAP web service frameworks, a real REST API for full application access and direct serving of objects to web browsers, and Bittorrent downloads for any object.
Commentary from TechCrunch, ArsTechnica, NoiseMore.
See also: http://code.whytheluckystiff.net/parkplace