Many of the cognitive enhancement drugs serve to increase focus and concentration. But 'letting your mind wander' is very often an important part of the creative process.

Cloud computing offers individuals access to data and applications from nearly any point of access to the Internet, offers businesses a whole new way to cut costs for technical infrastructure, and offers big computer companies a potentially giant market for hardware and services.

I have to admit it: I'm not a huge fan of the cloud computing concept.

As useful as websites and journals are, there's real value in books, too.

My own suspicion is that a stand-alone artificial mind will be more a tool of narrow utility than something especially apocalyptic.

Crackdowns on Internet content make clear the need for an anonymized Web. Now, someone just needs to implement it.

The idea of sustainability can imply there is one perfect, unchanging future, if only we could work out how to get there. Resilience might be more useful, in that it assumes a dynamic environment and that perfection is impossible. You need to design systems to accommodate failure rather than eliminate it. By trying to be perfect, many visions of sustainability are quite brittle