It is a night 10:00 p.m. I locked the house doors. I checked security camera images on my smart phone. It is all o.k. I opened another app; switched off all the smart lights in the house and dimmed the hall-light. Then I tapped my smart watch. It said, "you walked 7.2 km today and burned 2700 calories. The heart-beat at the moment is 81 per minute. The resting heart rate is 71 today". I felt satisfied. I switched on the "home projector". It cast a big image on the wall of the hall. I put on the blue-tooth head phone (I do not want to wake up others). I begin to watch my favorite serial "Game of throne". This is not a wild imagination but a reality in many modern Indian homes. The technology is affordable and accessible to Indians today. Out of many smart wearable and devices, smart watch stands pr...
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