We usually made make some mistakes after we bought buy a smart phone. like For example you stared at it and checked every message from Facebook while you were having a meal with friends and replied to it immediately. Sometimes you ignored the people who were with you subconsciously unconsciously. It has controlled your time and even makes you are addicted to the internet's world!

-Unconsciously means to be sleeping.  Subconsciously means without thinking about what you are doing.

-  You have a very good point.  This is seen very often in America.  I also admit that I am guilty of looking at my phone while out with friends. :/  It is so convenient though!

Your English is better than mine! :)

Smart Phone---智慧型手機

原文

我們通常在買了智慧型手機後,就會犯以下的錯誤,例如,在用餐中一直看著它,確認每個Facebook的留言,並且即時回覆它,有時不知不覺,你忽略了跟你在一起的人,你被它控制了時間,相對的也像上癮般,沈溺在網路的世界!

We usually make mistakes after we buy a smart phone. You may stare at your phone and check every message from Facebook while you're having a meal with friends. You will feel the urge to reply to everything immediately. Sometimes you will subconsciously ignore the people who are with you. Your phone will control your time and your phone will even make you addicted to the world of the internet!

Smart Phone---智慧型手機

原文

我們通常在買了智慧型手機後,就會犯以下的錯誤,例如,在用餐中一直看著它,確認每個Facebook的留言,並且即時回覆它,有時不知不覺,你忽略了跟你在一起的人,你被它控制了時間,相對的也像上癮般,沈溺在網路的世界!

We usually made some mistakes after we bought smart phone,like you stared at it and checked every message from Facebook while you were having a meal with friends and replied it immediately. Sometimes you ignored the people who were with you unconsciously. It has controlled your time and even make you are addicted to internet's world!

We usually make some mistakes after we buy a smart phone. For example, you stare at it and check every message from Facebook while you're having a meal with friends, and even write replies. Sometimes, you subconsciously ignore the people who are with you. It controls your time and even makes you addicted to the world of the internet!

correction from Jesse