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Color Plate 1
Figure 1.2 Novel forms of interactive products embedded with computational power (clockwise from top left):
(i) Electrolux screen-
fridge that provides a
range of functionality, in-
cluding food manage-
ment where recipes are
displayed, based on the
food stored in the fridge.
[IV) Barney, an interactive cuddly
toy that makes learning enjoyable.
(iii) 'geek chic', a Levi jacket equipped
with a fully integrated computer network
(body area network), enabling the wearer
to be fully connected to the web.
ENTER
Figure 1.1 1 2D and 3D buttons. Which are easier to distin-
guish between?
