SmartPhone

1. Cons

1.1. Social

1.1.1. face-to-face conversation decrease

1.1.1.1. low self-confidence

1.1.2. Personal infomation may leak

1.2. Academic

1.2.1. Don't pay attention in the class

1.3. Health

1.3.1. Long time for screening

1.3.1.1. Headache

1.3.1.2. short sight

1.3.1.3. muscule fatique

1.3.2. Spend lots of time on it

1.3.2.1. Spend less time on exercising

2. Pros

2.1. connect with friends and families with no limitation

2.2. search information wherever and whenever you want

2.3. Gain fun