Customers pay to log on and chat with other users.

顾客要付费才能登录系统与其他用户聊天。

youdao

Ability to tell other Gmail users that I'm busy and can't be bothered with more email, similar to how your status shows in Gmail chat, but appears when they're about to email me.

可以告诉其他Gmail用户我很忙，不能再收mail了，类似Gmail聊天工具上显示的状态，不过这个提示只是在他们要发信给我的时候才出现。

youdao

Instead of the flat-looking visuals of the old service, this one will give users a 3-D version of their Neopet avatar and let them play games, trade items, chat with other players and share ideas.

在旧的版本里是平淡无奇的界面，新版本让使用者拥有立体的Neopet化身，玩游戏，交易东西，和其他玩家交谈和交换想法。

youdao

You can view and alter other users' files in one place, chat with those other users over the Internet and then move on to far-off objects and people, if they seem interesting.

FORBES: Croquet, Everyone?

It will also allow you to collaborate on documents with other users, or even to chat with, and present material to, groups of other OnLive Desktop users.

WSJ: Working In Word, Excel, PowerPoint on an iPad

Previously Facebook Messenger was an app for Facebook users to communicate with other Facebook users through instant chat.

FORBES: Facebook Messenger Takes On SMS, With No Account Needed