Apple's USB engineers have confirmed off the record that it was a conscious move to prevent iPhone customers to jailbreak their phone. It's amazing the amount of disrespectful behavior that Apple manages to throw at its customers without losing their loyalty. It is really a cult, in the end.
how to use Twitter and other micro-messaging services at work. It covers the the benefits and challenges of this exciting new medium, along with best practices and potential pitfalls you can avoid.