Regardless of the model, some key features remain the same: both have 15.6-inch (1, 366 x 768) displays, replaceable batteries and numpads, along with trackpads that support Windows 8 gestures (that's true of most new laptops, actually).

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Business leaders who adopt the attitude that anyone is replaceable, thinking they can simply hire someone with a greater skillset or someone with a more prestigious pedigree, are fooling themselves.

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The latest victim happens to be Google's recently announced Nexus 7, which has achieved a "repairability score" of 7 out of 10 (the Kindle Fire squeaked one notch past with an 8), with many accessible components including a replaceable battery and standard Phillips screws.

ENGADGET: Google's Nexus 7 tablet hits the iFixit teardown labs

Additionally, the 440, 450 and 470 can be used with a six- or nine-cell user-replaceable battery.

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First, low-level dealers are eminently replaceable: arrest two and another two will quickly take their places, with little if any interruption to sales.

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The phone seems to be called "The Other Half" -- or at least that's the working title for now -- and judging from Jolla's Facebook page it consists of a colorful plastic case, available in various shades including orange or green, which hooks onto the main chassis containing a 4.5-inch display (of unknown resolution), dual-core processor, microSD expansion with 16GB onboard, a "4G" modem, user replaceable battery and an 8MP rear camera.

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