Now a wearable device to guide the blind

Electronic Travel Aid is the only mobility device that can help a blind person navigate his way by sending haptic feedback or vibrations through the sense of touch. (Reuters) “It is better than any cane or guide dogs”. That is how a user describes a new assistive device in the market for the visually challenged.
Another 20-yr-old B.Com student says, “I feel liberated. There is a sense of freedom. I am very, very happy.”
Relegating the traditional blind man’s walkin