Handheld devices are supposed to be very beneficial for us. On the first place, handheld devies are useful in finding information. We can surf the Internet everywhere and everytime providing that our devices are connected to wifi or accessible network. Second, handheld devices are good for relaxation, which means they make entertaining become easier. We can play games with our friends everytime, listen to music, watch movies or take photos and make high resolution videos. Besides, we can call and chat with our friends whenever we want, also, students studying faraway from home can contact their families more easily. Last but not least, handheld devices are often light, portable and easy to carry, so thay makes work become more and more convenient. In short, those are among the advantages of handheld devices.