What can parents do to reduce their children's screen time?Well, there are many effective ways. The most efficient one is that they can install a parental control system or application on the phone or laptop of their children. In this way, children’s screen time is automatically controlled and cut. What’s more parents are also supposed to accompany their children to do outdoor activities so that children naturally get away from the screen.

Why do big companies introduce new productsfrequently?

Well, I guess the main reason is that they need to release new products to attract new customers or to retain old ones. I mean, innovative new products may improve a company’s image and therefore, customers may subconsciously be more willing to buy from such companies. 

 Has technology always been a good thing?Not really, as featured in many movies and TV series, if an advanced piece of technology falls into the hands of the evil, there can be disasters. Take nuclear technology as an example, if terrorist groups possessed nuclear bombs, there would be numerous explosions and tragedies around the world each day.