What invention do you think has had the greatest impact on society?

What invention do you think has had the greatest impact on society? How and why? I think the thing that impact society greatly is a smart phone. Regardless of age, most korean are using smart phone. First of all, it is very convenient. It made possible to use internet in everywhere, at anytime. So we can get the news and communicate with any users around the world by SNS. Furthermore we can now pay the bill without the credit card but using mobile apps. In addition, smart phone brought a development of peripheral industries such as mobile apps and agencies. Influence of smart phone affects overall nation's industries and also economy. It is increasing. For these reasons, I think the smart phone has had the greatest impact on society.

Hello there! Thanks for sharing your opinion. I totally agree with it. Anyway, see you tomorrow! ~T. Jessie~ What invention do you think has had the greatest impact on society? How and why?I think the thing that impact society greatly is a smart phone. >> I think the thing which has the greatest impact in the society is the smart phone. OR>> I think the thing that has affected the society greatly is the smart phone.Regardless of age, most korean are using smart phone. >> Regardless of age, most Koreans are using smart phone.First of all, it is very convenient. >> Correct! It made possible to use internet in everywhere, at anytime. >> It made it possible  to use the internet anywhere and anytime. So we can get the news and communicate with any users around the world by SNS. >> So we can read the news and communicate with the other users around the world by SNS. Furthermore we can now pay the bill without the credit card but using mobile apps.>> Furthermore we can already pay our bills even without a credit card through mobile apps. In addition, smart phone brought a development of peripheral industries such as mobile apps and agencies. >> Correct!Influence of smart phone affects overall nation\'s industries and also economy. >> The influence of smart phones affects all the nation\'s industries and economy. It is increasing. >> Correct!For these reasons, I think the smart phone has had the greatest impact on society. >> Correct!