A friend of mine came up with an interesting idea about N900 and I think it may be great to include it in Livermorium.

The idea is: shift/fn on the back of the device just as L1/R1 keys on a game pad, to be pressed with an index finger. This would make it possible to type special characters much more quickly. I don't insist on removing usual shift/fn but what about adding such extra keys?

This would certainly be innovative. And it would be nice to configure these, because some other use would be to have left/right in sich a form.