Andy Warhol made five Paint by Numbers pieces where he painted partially filled in versions of real paint by numbers kits, challenging notions of the distinction between 'art' and 'reproductions'.
[Best to be interested if you want to be interesting I guess.]
The nice people at Dare also seem to be interested, as they asked themselves: if Warhol was alive today....how would he use an iPad?
And then made this homage to the 1982 video where Warhol eats a hamburger to promote it.
There are definitely lots of interesting things you can do when thinking about devices together - not as lots of different screens to show the same thing, but as different interoperating parts of a system.