A friend pointed me at this link to a USB toothbrush. I can imagine uses for a USB fan or a USB light (airplane seats can be dark or hot). But under exactly which circumstances would this be the right tool?
I'm not sure I want to think about it.
As it seems, USB is going to be _the_ low voltage connector of the future - at least in Japan.
And it will - as usually - take up to 24 month till such USB-driven coffee-cups will be offered at Aldi or Lidl... And no one else will care about! Have you ever had a cup of coffee in the German ICE train??? I wish I had such a mug to brew my own coffee!!!
I fear the cup is just for keeping the coffee warm but not for brewing. Considering this and the quality of coffe in German ICE trains I do know better things than USB-driven coffee mugs to drain the battery of my notebook with - like for example an USB powered Weißbier cooler. <g>
Ah! now THOSE USB uses I can imagine. :-)
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