There was a time when portable keyboard looked set to solve the problem of typing on ever smaller devices. And then smartphones started to get bigger again. Is there still a market for another gadget to carry around with you?

Once in a while, we get a gadget that comes in to the office and we say ‘wow!’. We know the concept is brilliant and we’d give our left arm to own one. At this point, a five-star rating is a certainty. But, it doesn’t always work out that way.