The PDA Usage Survey 2003 found that PDA owners commonly download the entire contents of their personal and business lives onto their handheld computers. Many leave the information unencrypted and without password protection, the survey found.
Sensitive information commonly stored unprotected on PDAs includes corporate information, bank accounts, credit cards, social security numbers, inland revenue information, business and personal names and addresses. [The Register]
a multi-tasked stream of consciousness or perhaps just emails to myself