Ekin Oz uses Facebook and Skype to stay in touch with family and friends back in Turkey.

VOA: special.2009.09.14

With Facebook, I tend to use it to keep in contact with old friends

我用Facebook和老朋友保持联系，

用社交网站找到的人 - SpeakingMax英语口语达人

But the point is that how is Facebook, how is Amazon possibly going to communicate securely with you or your laptop using cryptology if you both have to know the same secrets.

关键是Facebook是怎么样，亚马逊是怎么样安全地和你或你的计算机,使用加密技术进行交流的，如果你们两个都,知道那个同样的密钥。

哈佛公开课 - 计算机科学课程节选

You can also stay in touch with us on Facebook and Twitter at VOA Learning English.

VOA: special.2011.01.31

But how many of you have ever called Facebook up or called Amazon up and kind of whispered into their ear I'm going to encrypt this with the number 13.

但是有谁听过Facebook或者亚马逊,稍微低声地告诉他们,我将用密钥13加密这个消息？

哈佛公开课 - 计算机科学课程节选

"I'm using Facebook to contact with my friends, I'm using Skype to contact with my family.

VOA: special.2009.09.14

People use social Web sites like Facebook to share information with a special group of friends.

VOA: special.2009.02.06

Evan Falchuk uses Facebook to connect with friends and family members.

VOA: special.2009.09.14

Friends,family,and co-workers use Facebook to communicate with each other.

VOA: special.2011.01.14

But now with social networking, Iranians can gather by the thousands on a Facebook group, or communicate using Twitter.

VOA: standard.2010.06.15

Facebook has changed the way many people communicate - letting its millions of users share personal thoughts and images with their network of friends.

VOA: standard.2010.07.23

President Barack Obama is credited with using the power of Facebook during his 2008 campaign.

VOA: standard.2010.07.23

But before the censorship, dozens of homemade videos were able to be posted to the Facebook website showing demonstrators being beaten by riot police and shouting "down with the dictator."

VOA: standard.2009.06.14