The camera's wrist-strap holder is made of die-cast zinc to withstand drops while a rotating lock secures the external memory slot cover.

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So instead of the lock screen, you'll see Cover Feed, which is essentially Facebook's Newsfeed presented in a highly visual format.

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While the cover of the internal brains of the lock has been fixed so the Simplex cannot be opened with a magnet, we may not be quite done with this story.

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Rather than pay for the full fix itself, which requires a new circuit board for every affected lock, Onity has asked its hotel customers to cover the cost of those hardware replacements.

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Even under deep forest cover in the California redwoods, the offline navigator managed to get a GPS lock within a few seconds.

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Some of Lock's routine-based material is the best around, but the overall performance seemed to try to cover a variety of areas - linking in with the Wikipedia-esque tour title "Lockipedia" - some are successful and others not so.

BBC: By Jeff Allum