Time Magazine has an interesting article up on Apple's ongoing success with the iPhone in not only a poor economy, but in face of competition like Nokia, Palm, Sony/Ericsson, etc. doing badly, even when they offer much cheaper alternatives.
BlackBerry is enjoying similar success with their higher end products, leading Time to speculate that it's based on brand, a multi-factor and mysterious currency that companies spend fortunes earning so they can make even greater fortunes exploiting: