The world is moving so fast and is developing .the gadgets are the main thing which is making so...however the old people are not interested in gadgets.the young and middle aged generations are fully dependent on the gadgets and fully involved with it.this makes them addicted to it and they don't even have time to talk with each other....hence we can say that gadgets are the main reason
this can be improved only wen the reduce of uasage of gadgets will decrease