"You can always be surprised. I personally thought the DS was kind of stupid. I thought Sony was going to crush Nintendo in that generation of handheld devices. Clearly the DS ended up being the winner.
"The flipside was the first time I played Wii Sports. I thought, my god, there's so much potential for us to discover. Then it turned out that Wii Sports had pretty much nailed it and that was it.
"We're at the beginning of this,” he adds. “Vive is the most expensive device on the market. It's barely capable of doing a marginally adequate job of delivering a VR experience. We have to figure out all sorts of other problems before even the hardware question gets answered, much less what’s going to be the compelling content.