Before plunking down cold cash for shares in PLD (Programmable Logic Device) makers Xilinx Corp. or Altera Corp. (see feature), be very careful.

FORBES: Not for war orphans

The device is implantable under the skin near the spinal cord, programmable by a clinician, and used to deliver medications for the treatment of severe chronic pain due to nerve injuries and cancer.

FORBES: Medtronic Sees Revenue Growth Despite Unaddressed Quality Concerns

Fortunately for them, Hop-on has released yet another kid-tracking device known as the ChitterChatter, which eschews the standard numeric keypad for programmable, graphical buttons.

ENGADGET: Hop-on's ChitterChatter GPS/cell watch