Google's shoe idea teases moonwalks in the VR zone

"Try walking forwards and the magic quickly falls apart—either when you walk into a wall, or are yanked back by the cable attaching your headset to a computer." That is Alistair Charlton in GearBrain. He was—you guessed it— ruefully calling out the one thing about virtual reality that does not feel new-world magical. "The problem with virtual reality is how you can only walk a few steps forward before the illusion is shattered."