And so efficient and economical was this new system that he cut the price of his cars in half, to '260, putting them within reach of all those who, up until that time, could not afford them.

But McDonalds expects the ds training system to save money by cutting training time by half compared to traditional methods, partly because of how familiar employees will already be with using a ds.

In an experiment that allowed people to use the system over the web, the researchers found that the visual approach cut in half the time it took for users to find useful content.