Much like mobile phones brought about an acronym-based texting language and smartphones allowed users to communicate with emoji’s, the smartwatch is introducing a new language of its own — vibration.
The idea of communicating through tactile sensations may sound like an impossible task, but developers are using what they already know about people’s responses to having their arms grabbed or their hands touched to create intuitive sensations that deliver information to wearers without them having to look down at their wrist.
Read more: http://www.benzinga.com/news/15/03/5340136/smartwatches-bring-good-vibrations#ixzz3kHtuCNOc