How does the computer know when you need to change gear?
I guess you will be able to set the automatic mode, much as you do with auto-exposure on cameras.
What modes would you need?
-Just Riding Along
-Hauling shopping
-Sprint mode
-Training mode
-Hill-climbing mode
-Tracks and trails
-Urban stop-start
-Help, i dont know what mode, just set me to automatic
You could even have a little computer display with pictograms for the hard of reading, and little tacky push buttons which you can't use with winter gloves.