Microsoft Proposes Thumb-Driven Interfaces
bonch writes "Microsoft Research has demonstrated examples of two thumb-driven interfaces for handhelds proposed a few weeks ago. Today's devices require the use of two hands; Microsoft wants to reduce this to one. Usability tests showed, however, that some users had difficulty adjusting to the thumb movements. Full researcher's report here."
I bet when they patent it it'll be broad enough that both the above are covered.
Real Daleks don't climb stairs - they level the building.