New Array Measures Vibrations across Skin May Help Engineers Design Tactile
  Displays
From: Medical Design Technology - 06/14/2013

In the near future, a buzz in your belt or a pulse from your jacket may give
you instructions on how to navigate your surroundings. Think of it as tactile
Morse code: vibrations from a wearable, GPS-linked device that tell you to
turn right or left, or stop, depending on the pattern of pulses you feel.
Such a device could free drivers from having to look at maps, and could also
serve as a tactile guide for the visually and hearing impaired.

Read the entire article at:
http://www.mdtmag.com/news/2013/06/new-array-measures-vibrations-across-skin-may-help-engineers-design-tactile-displays

Links:
Lynette Jones
http://18.80.2.252/people/index.html?id=128

Can you feel me now?
http://web.mit.edu/newsoffice/2013/wearable-tactile-displays-0614.html

Mechanical and Psychophysical Studies of Surface Wave Propagation during
  Vibrotactile Stimulation
http://www.computer.org/csdl/trans/th/preprint/06420830-abs.html