So they pay for all users on Yammer with a corporate email ID.

这样他们就得给Yammer上每一个用户提供一个公司email ID。

youdao

If you are a good corporate citizen Yammer would look a bit career-threatening - for reasons explained below.

如果你是一个不错的公司人，Yammer对职业生涯会产生危险——原因我在下边解释。

youdao

If, however, your company wants to use microblogging at the office, there are tools designed for businesses that let you do just this. Yammer and present.ly.

但如果你的公司想使用微博客平台，不妨试试Yammer和present . ly。

youdao

Anyone can easily start a Yammer network for free and invite co-workers to join.

FORBES: Executive Profiles: Disruptive Tech Leaders In Social Business -- David Sacks, Yammer

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

That means IT administrators need to authorize Chatter usage and potential members have to first receive an invite to join. (A new Web site Salesforce is launching in February may address this.) Meanwhile, anyone with a corporate email account can sign up for Yammer.

FORBES: Yammer CEO Says Salesforce.com's Chatter Won't Infect