When I was younger, still in secondary school some nine years ago, I wondered why books cannot be in a digital format and we will be able to carry them in lightweight handheld book sized devices. How nice will it be, if all textbooks, homework and notes can be contained within it so all we have to carry about is that one device, and we can stop killing trees too. Best is if we can write directly on it, that would be even more convenient.

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