| http://www.w3.org/ns/prov#value | - So if the sound quality is as good as they promise (especially depth-wise), I will have a ball!here is an example : When I was taking my cane class (blindfolded in my case of course), I could tell you whether the doors were open or closed in a hallway as I was passing them, just by the chnge in sound/air density/echolocation).
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