如果你或你的某个家人或朋友如果有以下表现就很有可能危害到你们的关系：
一天到晚不停地查看邮件，手机，发短信，把手机放在枕头边24小时开机，在床上，饭桌上，开车时，查看邮件或短消息，即使你们在一起或睡在一起。

10 Signs Your Devices Are Hurting Your Relationships:

1. You can't get through a meal without emailing, texting or talking on the phone.

2. You look at more than one screen at a time, checking email while watching television, for example.

3. You regularly email or text, other than for something urgent, while your partner or another family member is with you.

4. You sleep with your phone near you, and you check your email or texts while in bed.

5. You log onto your computer while in bed.

6. You have had an argument with a loved one about your use of technology.

7. You text or email while driving.

8. You no longer go outside for fun.

9. You never turn off your phone.

10. When you spend time with your family—a meal, a drive, hanging out—each person is looking at a different screen.

美国人在网上一般做什么：社交网络，博客，网上游戏，邮件，门户网站，电影，视频

What We're Doing Online

Online activities that Americans engaged in during November 2010, ranked according to the total number of minutes spent and the percentage of online time. Nielsen Co. calculated the ranking based on a panel of 200,000 people age 2 and older, some randomly selected and some recruited online.

Rank	Category	Total Minutes (in billions)	Share of Time
1	Social Networks/Blogs	63.5	23.8%
2	Online Games	26.1	9.8
3	Email	19.9	7.5
4	Portals	10.9	4.1
5	Videos/Movies*	10.7	4.0