"They x-rayed the cylindrical shell, which was about 10 inches (25cm) and confirmed it was a live incendiary device, " a spokesman said.

BBC: Unexploded WWII bomb found in Balsall Common

Of course the Mac was created in part as sort of a backlash against the command line interface of DOS (typing long strings of complicated computing commands, not pointing and clicking with a mouse like we're used to now), though Mac OS X now boasts a Unix Shell terminal with its own command line interface.

FORBES: Dual-Personality Macs

In terms of design the smartphone is somewhat reminiscent of both HTC's One X (the overall shape and unibody shell) and Samsung's Galaxy Note II (the camera pod and shiny finish).

ENGADGET

The most ambitious is Socket HMD, a complete 1, 280 x 800 headset that involves a 3D-printed shell and custom-assembled electronics.

ENGADGET

The P3050 is the CDMA equivalent of the GSM Touch and packs the same goodies under the shell including Windows Mobile 6, The lovely TouchFLO UI, 320 x 240 display, Bluetooth, and sadly doesn't pack WiFi or the GPS we had hoped for.

ENGADGET: Telus launches the HTC P3050 "Touch" and HTC S640 Mobile

Similarly, while Apple's OS X's user interface is not just easy to use but engaging, it's just a candy shell built around the kind of tried-and-true Unix software that's powered everything from phone networks to computer science labs for a generation.

FORBES: Apple's Greatest Innovations