Welcome to IRL , an ongoing feature where we talk about the gadgets, apps and toys we're using in real life and take a second look at products that already got the formal review treatment. This week's IRL is a bit of a mixed bag, with tales of gadgets well-used and those deployed for pure pseudo-science. In two paragraphs, Mat Smith sums up his experience with three generations of Nintendo DS …

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IRL: Logic3 PowerSleeve, HP Folio 13 and a trio of Nintendo handhelds