But then you're asked, "Hey, are you on Facebook?"

然后，有人在问“hey你在上facebook吗？”

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Everybody loves seeing pictures of themselves, and it's very easy after taking a picture to say "Are you on Facebook?"

人们都喜欢看到自己的照片，拍过照片后，你还可以很自然地问“你上Facebook吗？”

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The sending of a friend request on Facebook or other social networking site without including any information on who you are or how you know the recipient.

在“脸谱”或其他社交网站上的好友请求并无任何信息知道你是谁或者知道你会（不会）接受。

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If you and I are Facebook friends, or we are following each other on Twitter,

如果我们是脸书上的好友，我们在推特上也互粉，

SNS和广告的关系 - SpeakingMax英语口语达人

If those apps are already integrated with Facebook, it will be able to correlate the data from the app with whatever else you are doing on Facebook.

FORBES: Facebook Home: More Disruptive Than You Think

Chances are, if you are surfing through Facebook on a Sunday morning, it is to catch up on friends and their activities from the weekend.

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Are you well behaved on Facebook or Twitter?

MSN: Most of Us are Social Media Sinners