I recently had to return a Treo 700wx cell phone to my cellular provider. Not wanting to return all of my confidential contacts and appointments to the store with the phone, I wanted o clear its memory. I began deleting contacts one at a time and soon realized that this was going to be an all-day affair, as I have hundreds of contacts. There was no apparent way to select multiple items for deletion--so this was an untenable solution. Oddly enough, the manual and a Google search provided no help at...