This article seems to have sparked many comments in the blogosphere - for instance here:

• http://blogs.forbes.com/alexknapp/2011/06/23/whats-the-likelihood-of-the-singularity-part-one-artificial-intelligence/
• http://blogs.forbes.com/alexknapp/2011/06/24/whats-the-likelihood-of-the-singularity-part-two-uploading-the-brain/
• http://blogs.forbes.com/alexknapp/2011/06/25/whats-the-likelihood-of-the-singularity-part-three-a-simulated-world/

...with many replies from all over the place.

Was this material really worth treating seriously? It seemed rather low-grade to me.