Not to poke holes in the implementation but even one-wire requires two connection, [1]Data/Power [2] Ground. Even with their optical mumbo jumbo how the hell can they actually transfer data?
On one hand they talk about optical things, and then on the other hand they're talking about 'conductive'. Seriously? Regardless, you do not bypass the laws of physics. You need atleast a complete circuit for it to be powered. And if their cop-out is that it's got a super-micro-pico-tiny-high-density-capacitor then I'm not even going to bother poking holes anymore.
Well, there is a way but it's pointlessly slow - inductive power.
The whole concept is quite flawed in my opinion [EDIT - unless their plan is to showcase a theoretical ultrathin USB flash drive.]