Wacom's Bamboo Spark is the company's second go at creating a real pen that automatically creates a digital version of your notes and sketches. The first, the Inkling, generated a lot of hype that it ultimately couldn't live up. It was unable to deliver the precision that artists wanted – though to be fair, a precision that Wacom never promised, but we all got a bit carried away by the idea of it – so drawings were rarely usable beyond initial sketches.

The Bamboo Spark has more modest aspirations – and different technology. Rather than artists, it's aimed at creative directors and designers – and businesspeople in general – who want to keep digital copies of notes and sketches but prefer pen-and-paper to iPad and Paper.

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