The same digital certificate used for reading encrypted mail can also be used to digitally sign documents.

用于阅读加密邮件的同一个数字证书也可用于数字签署文档。

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Find Quiet. Turn off the TV, radio, cell phones, sign out of messenger, mail, and any other thing that can interrupt you.

找一个安静的地方，关掉电视，收音机，手机，信息和邮件的提示声，以及任何其他可能打扰你的声音。

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In less time than it takes to buy, sign and mail a Christmas or birthday card to a single person, you can send news or a gift to your entire social graph.

因为你在比为一个人购买、填写和寄出一张圣诞贺卡或生日贺卡更短的时间内，便可以将新闻或礼物发送给社交图中的每一个人。

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Visitors can read and listen to programs, write comments, find shows they missed and sign up to receive programs by weekly e-mail.

VOA: special.2009.04.06

Moving its e-mail sign-up box above the fold (saving users from scrolling down to find it) helped Levenger.com --a high-end retailer of reading accessories like bookmarks and pens--expand its e-mail list 200% in one month, says Lynnette Montgomery , vice president of e-commerce.

FORBES: Magazine Article

Petry says other customers have begun banning employees from using work e-mail accounts to sign up for online newsletters.

FORBES: Spam: It's Even Worse Than You Think

That's three-quarters as many people as Salesforce has using its software, though there's one big difference: Anyone with a corporate e-mail address can sign up for Yammer, free, and connect with others in the same company.

FORBES: Magazine Article