In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisting the hearing impaired person Select the correct answer using the code given below.
Options
(a)1 only
(b)2 and 3 only
(c)3 only
(d)1, 2 and 3
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