In recent years, technology has developed rapidly and changed our daily lives in many ways. As a middle school student, I think technology is a wonderful helper that makes our life easier and more interesting.\n\nFirst, technology helps us learn better. For example, we can use online library resources to find helpful books. We can also watch educational videos to understand difficult subjects, such as How Earthquakes Happen or Why the Sky is Blue. Sometimes, when teachers use smart whiteboards or education apps, classes become more enjoyable. We no longer only read from blackboards; we can even discuss with our classmates through virtual classroom.\n\nSecond, technology improves our communication. Twenty years ago, people sent letters by post and waited for days for a reply. Today, we can instant message our friends, parents or teachers using our phones or notebook computers. My grandparents can videocall us every day. In addition, news or health advice spreads quickly; during natural disasters, fast communication helps save lives.\n\nFinally, new inventions do many jobs easily. Take healthcare for example: electronic records help doctors see patients' history. Or artificial intelligence, it helps people finish home tasks like cleaning, floor-sweeping by automatic rosa vacuum. Scientists even develop leg robotic skeleton now inside hospitals, which allow old kids diseases recovery to walk outdoors themselves． Work which forever unknown manual to their success carries forward conveniently free slaves？ That help equals delight: old hard-labor steps replaced the automatic button low.\n\nHowever, technology also brings some worries. Some classmates use devices too much, exercise too little, or face unhealthy effects blue light sleeping early degrade．That's why we need to balance and how stop wastage eating resources harmful can go poll_placement true\