Those include the RIM Playbook, Moto Atrix and the Lapdock, Asus Transformer, and of course, the iPad.

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In fact, the last "groundbreaking" mobile product in recent memory was the Atrix 4G and its accompanying LapDock -- and we all know how that turned out in the end.

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The construction is as you'd expect, with Gorilla Glass and Kevlar fused to make the "business ready" handset, while the Atrix 2's Lapdock 100 is listed as an accessory.

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If it takes off, will the lapdock cannibalize notebooks?

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When Motorola launched its Webtop concept alongside the original Atrix 4G, it had grand visions of replacing our PCs with a smartphone, a Lapdock and some optimism for a mobile-focused future.

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You will see multiple devices from us in the second half launching with these capabilities, and we will expand the range of our Lapdock devices so we cover a broader price point, addressing both the enterprise premium tier as well as more consumer tiers.

ENGADGET: Motorola promises more Atrix-like laptop docks for future phones

Unlike similar offerings such as the still-unshipped Clambook (or Motorola's ill-fated Lapdock) the Casebook uses the handset as a trackpad, and the creators say that it won't be device-specific, working instead with a large number of smartphones from Apple, Blackberry, Samsung and others.

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