The famous tech blog site, Mashable, gives us a glimpse into “possible” future iPhone (and other smartphones) designs. Instead of a touchscreen slab that’s held in the palm of your hand, imagine the “iPhone 5 with a new curved design that’s actually worn on the back of your hand.
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DigiDame 
How long can it be until they offer us the implanted version?
Jane, that is the next step. You are so right. Thank you for reading and commenting
Lois
Cool idea but it would have to be somewhat waterproof to make it easy to wash your hands, prepare food, etc. Also I would hope that thru could come up with some sort of shield to protect the hand from undue radiation.
Victoria, good thinking. Time will tell.
Thank you for your comments.
Lois