Hadoop on EC2
Here's something neat (and details here).
Hadoop, an open source clone of Google FS and MapReduce, can be run on top of Amazon EC2, a hosting service that allows leasing servers on an hourly basis.
As Greg Linden goes on to say:
Developers may now be able to rapidly bring up hundreds of servers, run a massive parallel computation on them using Hadoop's MapReduce implementation, and then shut down all the instances, all with low effort and at low cost. Very cool.
My colleague Tim Freeman points out that you can run those same VMs on your own resources using the Globus Workspace service.
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I got a feeling that parallel computing becomes more and more available, and has better and better programmability.
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