One of the great usability benefits of this design is that the iWatch could sense body position and orient the focus of the visible surface towards the user.

FORBES: The iWatch As Snap Bracelet? Apple Just Got The Patent.

If they want to focus on boosting the case for Surface and for OEM-built Win 8 tablets, they will hold back.

FORBES: Microsoft: Don't Expect Office For iPad In The Near-Term