Check Out This device:
guess what you can do with a touch screen camera, scanner,google map alltogather.
view a building through it and it will give you all the information of building.
Choose a building and touch a floor and it telle you more about this building. you can use it when you want to know about a car model, insect name.what kind of food is served in a restaurent, who build this building or bridge and bla bla...etc what ever you want.
Its got a scanner builtin.
Suppose you want to read news paper and its in spanish then use this to convert in English.
now what can be better thna this , before eating you can calculate your diet.Specially health consious people,girls looking for good figure can this as well.There are so many featuers that makes it best innovation.Look at future.