The AF100 features switchable FILM CAM and VIDEO CAM modes, with VFR operable in FILM CAM.

ENGADGET: Panasonic AF100 Micro Four Thirds video camera ships today, right on schedule

Another ad features the switchable lids for the Inspiron, in bold colors and designs like paisley and plaid.

FORBES: 36. Dell

Notably, Audi takes it one step further by offering a trio of switchable drive modes for normal use, efficiency and sportiness.

ENGADGET: Audi A3 e-tron hands-on (video) Hands-on

More than a Skylanders knock off, its modular game-play and switchable upgrade Tokens are ideal for family fun and playground swapping.

FORBES: Connect

Ready for global production standards, the camcorder is 60Hz and 50Hz switchable.

ENGADGET: Panasonic AF100 Micro Four Thirds video camera ships today, right on schedule

Ten years ago, an investor eager to play the two side by side had essentially one instrument: the convertible bond (debt switchable into equity).

ECONOMIST: Buttonwood

Users can connect a car charger cradle for their camera battery to the solar output of the Spark, which is switchable between 6 and 12 Volts.

ENGADGET: Voltaic Spark Tablet Case powers your pad with the Sun's rays

The method LG uses to accomplish this effect is called "switchable barrier, " which is similar to how Nintendo's 3DS can do 3-D without requiring the player to wear glasses.

CNN: LG unveils world's first 3-D smartphone

Sprawling suburbanized countries like the U.S. and Australia are much bigger challenge but in 2013 Better Place is coming home when it launches a fleet of battery-switchable taxis in the Bay Area.

FORBES: Better Place To Bring Electric Taxi Service To California in 2013

It's also switchable between flashlight and lantern modes.

ENGADGET: PiSAT Solar's K-Light boasts a one-to-one charging ratio