And hardware makers also have to modify the user interface on Android, at least until Google comes up with what it calls a "device profile" that is specifically tailored for tablets.

WSJ: Android Emerges as Big Rival to iPad

For an even lower profile, get a cloaking device.

CNN: ASIANOW - Asiaweek | Technology | Pulse

With a profile of 9mm, the Lumia 720 is now the thinnest Windows Phone 8 device in the Finnish company's lineup.

ENGADGET

Hidden among the higher-profile items at Samsung's Galaxy Note 10.1 launch today was a device that at first seemed familiar, but turned out to be far more than your everyday S Pen.

ENGADGET: Samsung HM5100 Bluetooth S Pen makes a surprise debut in our Note 10.1 'press kit,' we pencil in a chat (hands-on)

Each movie and TV show delivered through Media Hub is optimized for the best entertainment experience based on the device's screen size, screen type, video resolution, memory type, processor and sound profile.

ENGADGET: AT&T now offering carrier billing services on Samsung's Media Hub video purchases

With device volumetric efficiency a key concern for system makers, WD began shipping 7 mm height hard drives for thin-profile notebooks earlier this year (historically, standard notebook hard drives have been 9.5 mm).

ENGADGET: Western Digital builds 5mm-thick hybrid hard drive, Ultrabook makers sign on early