I was surprised with devepopping of techonology. Technologys are very useful and convenient, but they also dangerous, so we must use them carefully.

Communication technology is now, develop. We use smartphones iPad PC and TV.These devices are appearing, so we have to control our lives with the device.

intuitive …直感的に 短めだけど語彙の勉強になった 

Now, we think radio is too old and not use very much. However, in ancient society, that used a lot and they are think, it is rare. I think, we are in the developed country and thoughts got worse. I think, we must remember the past.