It seems that using computer key board or treating with information set,has become an old thing.
A team of American recrsher in University of Camgi Melon ,with finance of Microsoft has discovered a new method of connection with the electronic sets.the user needs a small set for showing this, make s the skin like a key board.
They image that this set send the picture of key board to the skin , after that from the skin key board they can connect with internet .
How can use skin to log in computer ? By pressing on the skin ,it sends sound signal,
This signal move the set .the refreshers make this system by putting pad on theskin and use it As skin put.
BBC