What the article doesn't mention is that, if you back up all of your data to your desktop, you can retrieve it by restoring the phone. You will still lose the

What the article doesn't mention is that, if you back up all of your data to your desktop, you can retrieve it by restoring the phone. You will still lose the corporate data, but you will get back your apps and personal data. If you are using Exchange at work, I would definitely recommend keeping your personal data (email, contacts, calendar) in a separate account, which the iPhone will seamlessly combine for you.