Due to the fluid nature of the web, we can't guarantee these links will work past the original posting date.

Last week's column on DayJet.

Sometimes new technology can hurt as well as help as we can see that yield-management software did to the major airlines.

Automated taxi dispatching already exists, but the system doesn't do network optimization, not only because that's difficult to do but because it could work against the traditional taxi network's policy of spreading the work evenly across the driver population.

This story has IDC saying Apple is making a big profit on every iPod shuffle. That's true if you only count the shuffles being sold directly by Apple. Buy one at Target and Apple is making a LOT less.

My January column on Apple's HD video download service. I still stand by every word.