There are some out there but I do not know of any.
Frankly just look like a big toy to me.
Stewart
Rev, I think the question was about surface platforms, which are
different from simple touchscreens. They're typically big, expensive
tables with touch-sensitive screens that cover most of the
surface. At some point they'll be sensitive to more stuff, e.g.,
you'll be able to just put your camera anywhere on the surface, and
the system will recognize what it is & be able to do useful things
like downloading the pix.
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