In this paper we have tried to give some idea about the past, present and future of Wearable computers. We are dam sure that if in any area wearable computer technology is applied then it will definitely improve the quality of life and make day-to-day life easier. It is only our imagination which will limit the number of applications for this new emerging technology. Wearable computer is a platform for the rapid application development. On the other hand, as we know that there are two sides of a coin, here as the benefits are there of wearable computers we do have to take care about various hazards discussed in the paper.
Wearable Computer means the computing device which all people can wear on the body.
We can use these computing devices with us everywhere every time.